20485518

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 21522162

約数列:

[1, 2, 3, 6, 67, 131, 134, 201, 262, 389, 393, 402, 778, 786, 1167, 2334, 8777, 17554, 26063, 26331, 50959, 52126, 52662, 78189, 101918, 152877, 156378, 305754, 3414253, 6828506, 10242759, 20485518]

約数ペア:

[(1, 20485518), (2, 10242759), (3, 6828506), (6, 3414253), (67, 305754), (131, 156378), (134, 152877), (201, 101918), (262, 78189), (389, 52662), (393, 52126), (402, 50959), (778, 26331), (786, 26063), (1167, 17554), (2334, 8777)]