20050914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4357}}^1$

素因数の和:4434

約数の個数: 32

約数和(自身を含む): 43928640

約数和(自身を除く): 23877726

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 177, 354, 767, 1534, 2301, 4357, 4602, 8714, 13071, 26142, 56641, 113282, 169923, 257063, 339846, 514126, 771189, 1542378, 3341819, 6683638, 10025457, 20050914]

約数ペア:

[(1, 20050914), (2, 10025457), (3, 6683638), (6, 3341819), (13, 1542378), (26, 771189), (39, 514126), (59, 339846), (78, 257063), (118, 169923), (177, 113282), (354, 56641), (767, 26142), (1534, 13071), (2301, 8714), (4357, 4602)]