20540472

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 33649608

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 127, 138, 184, 254, 276, 293, 381, 508, 552, 586, 762, 879, 1016, 1172, 1524, 1758, 2344, 2921, 3048, 3516, 5842, 6739, 7032, 8763, 11684, 13478, 17526, 20217, 23368, 26956, 35052, 37211, 40434, 53912, 70104, 74422, 80868, 111633, 148844, 161736, 223266, 297688, 446532, 855853, 893064, 1711706, 2567559, 3423412, 5135118, 6846824, 10270236, 20540472]

約数ペア:

[(1, 20540472), (2, 10270236), (3, 6846824), (4, 5135118), (6, 3423412), (8, 2567559), (12, 1711706), (23, 893064), (24, 855853), (46, 446532), (69, 297688), (92, 223266), (127, 161736), (138, 148844), (184, 111633), (254, 80868), (276, 74422), (293, 70104), (381, 53912), (508, 40434), (552, 37211), (586, 35052), (762, 26956), (879, 23368), (1016, 20217), (1172, 17526), (1524, 13478), (1758, 11684), (2344, 8763), (2921, 7032), (3048, 6739), (3516, 5842)]