20894280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 48052920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1439, 1452, 1815, 2420, 2878, 2904, 3630, 4317, 4840, 5756, 7195, 7260, 8634, 11512, 14390, 14520, 15829, 17268, 21585, 28780, 31658, 34536, 43170, 47487, 57560, 63316, 79145, 86340, 94974, 126632, 158290, 172680, 174119, 189948, 237435, 316580, 348238, 379896, 474870, 522357, 633160, 696476, 870595, 949740, 1044714, 1392952, 1741190, 1899480, 2089428, 2611785, 3482380, 4178856, 5223570, 6964760, 10447140, 20894280]

約数ペア:

[(1, 20894280), (2, 10447140), (3, 6964760), (4, 5223570), (5, 4178856), (6, 3482380), (8, 2611785), (10, 2089428), (11, 1899480), (12, 1741190), (15, 1392952), (20, 1044714), (22, 949740), (24, 870595), (30, 696476), (33, 633160), (40, 522357), (44, 474870), (55, 379896), (60, 348238), (66, 316580), (88, 237435), (110, 189948), (120, 174119), (121, 172680), (132, 158290), (165, 126632), (220, 94974), (242, 86340), (264, 79145), (330, 63316), (363, 57560), (440, 47487), (484, 43170), (605, 34536), (660, 31658), (726, 28780), (968, 21585), (1210, 17268), (1320, 15829), (1439, 14520), (1452, 14390), (1815, 11512), (2420, 8634), (2878, 7260), (2904, 7195), (3630, 5756), (4317, 4840)]