20185304620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1097}}^1$

素因数の和:1340

約数の個数: 192

約数和(自身を含む): 50761541376

約数和(自身を除く): 30576236756

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 181, 221, 230, 260, 299, 340, 362, 391, 442, 460, 598, 724, 782, 884, 905, 1097, 1105, 1196, 1495, 1564, 1810, 1955, 2194, 2210, 2353, 2990, 3077, 3620, 3910, 4163, 4388, 4420, 4706, 5083, 5485, 5980, 6154, 7820, 8326, 9412, 10166, 10970, 11765, 12308, 14261, 15385, 16652, 18649, 20332, 20815, 21940, 23530, 25231, 25415, 28522, 30770, 37298, 40001, 41630, 47060, 50462, 50830, 54119, 57044, 61540, 70771, 71305, 74596, 80002, 83260, 93245, 100924, 101660, 108238, 126155, 141542, 142610, 160004, 186490, 198557, 200005, 216476, 242437, 252310, 270595, 283084, 285220, 328003, 353855, 372980, 397114, 400010, 428927, 484874, 504620, 541190, 656006, 707710, 794228, 800020, 857854, 920023, 969748, 992785, 1082380, 1212185, 1312012, 1415420, 1640015, 1715708, 1840046, 1985570, 2144635, 2424370, 2581241, 3280030, 3375469, 3680092, 3971140, 4289270, 4566811, 4600115, 4848740, 5162482, 5576051, 6560060, 6750938, 8578540, 9133622, 9200230, 10324964, 11152102, 12906205, 13501876, 16877345, 18267244, 18400460, 22304204, 22834055, 25812410, 27880255, 33754690, 43881097, 45668110, 51624820, 55760510, 59368543, 67509380, 77635787, 87762194, 91336220, 111521020, 118737086, 155271574, 175524388, 219405485, 237474172, 296842715, 310543148, 388178935, 438810970, 593685430, 776357870, 877621940, 1009265231, 1187370860, 1552715740, 2018530462, 4037060924, 5046326155, 10092652310, 20185304620]

約数ペア:

[(1, 20185304620), (2, 10092652310), (4, 5046326155), (5, 4037060924), (10, 2018530462), (13, 1552715740), (17, 1187370860), (20, 1009265231), (23, 877621940), (26, 776357870), (34, 593685430), (46, 438810970), (52, 388178935), (65, 310543148), (68, 296842715), (85, 237474172), (92, 219405485), (115, 175524388), (130, 155271574), (170, 118737086), (181, 111521020), (221, 91336220), (230, 87762194), (260, 77635787), (299, 67509380), (340, 59368543), (362, 55760510), (391, 51624820), (442, 45668110), (460, 43881097), (598, 33754690), (724, 27880255), (782, 25812410), (884, 22834055), (905, 22304204), (1097, 18400460), (1105, 18267244), (1196, 16877345), (1495, 13501876), (1564, 12906205), (1810, 11152102), (1955, 10324964), (2194, 9200230), (2210, 9133622), (2353, 8578540), (2990, 6750938), (3077, 6560060), (3620, 5576051), (3910, 5162482), (4163, 4848740), (4388, 4600115), (4420, 4566811), (4706, 4289270), (5083, 3971140), (5485, 3680092), (5980, 3375469), (6154, 3280030), (7820, 2581241), (8326, 2424370), (9412, 2144635), (10166, 1985570), (10970, 1840046), (11765, 1715708), (12308, 1640015), (14261, 1415420), (15385, 1312012), (16652, 1212185), (18649, 1082380), (20332, 992785), (20815, 969748), (21940, 920023), (23530, 857854), (25231, 800020), (25415, 794228), (28522, 707710), (30770, 656006), (37298, 541190), (40001, 504620), (41630, 484874), (47060, 428927), (50462, 400010), (50830, 397114), (54119, 372980), (57044, 353855), (61540, 328003), (70771, 285220), (71305, 283084), (74596, 270595), (80002, 252310), (83260, 242437), (93245, 216476), (100924, 200005), (101660, 198557), (108238, 186490), (126155, 160004), (141542, 142610)]