20641998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20357}}^1$

素因数の和:20388

約数の個数: 24

約数和(自身を含む): 44706168

約数和(自身を除く): 24064170

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20357, 40714, 61071, 122142, 264641, 529282, 793923, 1587846, 3440333, 6880666, 10320999, 20641998]

約数ペア:

[(1, 20641998), (2, 10320999), (3, 6880666), (6, 3440333), (13, 1587846), (26, 793923), (39, 529282), (78, 264641), (169, 122142), (338, 61071), (507, 40714), (1014, 20357)]