20848213980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{554179}}^1$

素因数の和:554224

約数の個数: 144

約数和(自身を含む): 72619747200

約数和(自身を除く): 51771533220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 7524, 9405, 12540, 18810, 37620, 554179, 1108358, 1662537, 2216716, 2770895, 3325074, 4987611, 5541790, 6095969, 6650148, 8312685, 9975222, 10529401, 11083580, 12191938, 16625370, 18287907, 19950444, 21058802, 24383876, 24938055, 30479845, 31588203, 33250740, 36575814, 42117604, 49876110, 52647005, 54863721, 60959690, 63176406, 73151628, 91439535, 94764609, 99752220, 105294010, 109727442, 115823411, 121919380, 126352812, 157941015, 182879070, 189529218, 210588020, 219454884, 231646822, 274318605, 315882030, 347470233, 365758140, 379058436, 463293644, 473823045, 548637210, 579117055, 631764060, 694940466, 947646090, 1042410699, 1097274420, 1158234110, 1389880932, 1737351165, 1895292180, 2084821398, 2316468220, 3474702330, 4169642796, 5212053495, 6949404660, 10424106990, 20848213980]

約数ペア:

[(1, 20848213980), (2, 10424106990), (3, 6949404660), (4, 5212053495), (5, 4169642796), (6, 3474702330), (9, 2316468220), (10, 2084821398), (11, 1895292180), (12, 1737351165), (15, 1389880932), (18, 1158234110), (19, 1097274420), (20, 1042410699), (22, 947646090), (30, 694940466), (33, 631764060), (36, 579117055), (38, 548637210), (44, 473823045), (45, 463293644), (55, 379058436), (57, 365758140), (60, 347470233), (66, 315882030), (76, 274318605), (90, 231646822), (95, 219454884), (99, 210588020), (110, 189529218), (114, 182879070), (132, 157941015), (165, 126352812), (171, 121919380), (180, 115823411), (190, 109727442), (198, 105294010), (209, 99752220), (220, 94764609), (228, 91439535), (285, 73151628), (330, 63176406), (342, 60959690), (380, 54863721), (396, 52647005), (418, 49876110), (495, 42117604), (570, 36575814), (627, 33250740), (660, 31588203), (684, 30479845), (836, 24938055), (855, 24383876), (990, 21058802), (1045, 19950444), (1140, 18287907), (1254, 16625370), (1710, 12191938), (1881, 11083580), (1980, 10529401), (2090, 9975222), (2508, 8312685), (3135, 6650148), (3420, 6095969), (3762, 5541790), (4180, 4987611), (6270, 3325074), (7524, 2770895), (9405, 2216716), (12540, 1662537), (18810, 1108358), (37620, 554179)]