20280701976

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1\times {\mathrm{11059}}^1$

素因数の和:12888

約数の個数: 64

約数和(自身を含む): 51914755200

約数和(自身を除く): 31634053224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 1777, 3554, 5331, 7108, 10662, 11059, 14216, 21324, 22118, 33177, 42648, 44236, 66354, 76411, 88472, 132708, 152822, 229233, 265416, 305644, 458466, 475537, 611288, 916932, 951074, 1426611, 1833864, 1902148, 2853222, 3804296, 5706444, 11412888, 19651843, 39303686, 58955529, 78607372, 117911058, 157214744, 235822116, 471644232, 845029249, 1690058498, 2535087747, 3380116996, 5070175494, 6760233992, 10140350988, 20280701976]

約数ペア:

[(1, 20280701976), (2, 10140350988), (3, 6760233992), (4, 5070175494), (6, 3380116996), (8, 2535087747), (12, 1690058498), (24, 845029249), (43, 471644232), (86, 235822116), (129, 157214744), (172, 117911058), (258, 78607372), (344, 58955529), (516, 39303686), (1032, 19651843), (1777, 11412888), (3554, 5706444), (5331, 3804296), (7108, 2853222), (10662, 1902148), (11059, 1833864), (14216, 1426611), (21324, 951074), (22118, 916932), (33177, 611288), (42648, 475537), (44236, 458466), (66354, 305644), (76411, 265416), (88472, 229233), (132708, 152822)]