20962890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 45081270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 23, 26, 30, 38, 39, 41, 45, 46, 57, 65, 69, 78, 82, 90, 95, 114, 115, 117, 123, 130, 138, 171, 190, 195, 205, 207, 230, 234, 246, 247, 285, 299, 342, 345, 369, 390, 410, 414, 437, 494, 533, 570, 585, 598, 615, 690, 738, 741, 779, 855, 874, 897, 943, 1035, 1066, 1170, 1230, 1235, 1311, 1482, 1495, 1558, 1599, 1710, 1794, 1845, 1886, 2070, 2185, 2223, 2337, 2470, 2622, 2665, 2691, 2829, 2990, 3198, 3690, 3705, 3895, 3933, 4370, 4446, 4485, 4674, 4715, 4797, 5330, 5382, 5658, 5681, 6555, 7011, 7410, 7790, 7866, 7995, 8487, 8970, 9430, 9594, 10127, 11115, 11362, 11685, 12259, 13110, 13455, 14022, 14145, 15990, 16974, 17043, 17917, 19665, 20254, 22230, 23370, 23985, 24518, 26910, 28290, 28405, 30381, 34086, 35055, 35834, 36777, 39330, 42435, 47970, 50635, 51129, 53751, 56810, 60762, 61295, 70110, 73554, 84870, 85215, 89585, 91143, 101270, 102258, 107502, 110331, 122590, 151905, 161253, 170430, 179170, 182286, 183885, 220662, 232921, 255645, 268755, 303810, 322506, 367770, 455715, 465842, 511290, 537510, 551655, 698763, 806265, 911430, 1103310, 1164605, 1397526, 1612530, 2096289, 2329210, 3493815, 4192578, 6987630, 10481445, 20962890]

約数ペア:

[(1, 20962890), (2, 10481445), (3, 6987630), (5, 4192578), (6, 3493815), (9, 2329210), (10, 2096289), (13, 1612530), (15, 1397526), (18, 1164605), (19, 1103310), (23, 911430), (26, 806265), (30, 698763), (38, 551655), (39, 537510), (41, 511290), (45, 465842), (46, 455715), (57, 367770), (65, 322506), (69, 303810), (78, 268755), (82, 255645), (90, 232921), (95, 220662), (114, 183885), (115, 182286), (117, 179170), (123, 170430), (130, 161253), (138, 151905), (171, 122590), (190, 110331), (195, 107502), (205, 102258), (207, 101270), (230, 91143), (234, 89585), (246, 85215), (247, 84870), (285, 73554), (299, 70110), (342, 61295), (345, 60762), (369, 56810), (390, 53751), (410, 51129), (414, 50635), (437, 47970), (494, 42435), (533, 39330), (570, 36777), (585, 35834), (598, 35055), (615, 34086), (690, 30381), (738, 28405), (741, 28290), (779, 26910), (855, 24518), (874, 23985), (897, 23370), (943, 22230), (1035, 20254), (1066, 19665), (1170, 17917), (1230, 17043), (1235, 16974), (1311, 15990), (1482, 14145), (1495, 14022), (1558, 13455), (1599, 13110), (1710, 12259), (1794, 11685), (1845, 11362), (1886, 11115), (2070, 10127), (2185, 9594), (2223, 9430), (2337, 8970), (2470, 8487), (2622, 7995), (2665, 7866), (2691, 7790), (2829, 7410), (2990, 7011), (3198, 6555), (3690, 5681), (3705, 5658), (3895, 5382), (3933, 5330), (4370, 4797), (4446, 4715), (4485, 4674)]