20551998

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 42131232

約数和(自身を除く): 21579234

約数列:

[1, 2, 3, 6, 61, 122, 183, 233, 241, 366, 466, 482, 699, 723, 1398, 1446, 14213, 14701, 28426, 29402, 42639, 44103, 56153, 85278, 88206, 112306, 168459, 336918, 3425333, 6850666, 10275999, 20551998]

約数ペア:

[(1, 20551998), (2, 10275999), (3, 6850666), (6, 3425333), (61, 336918), (122, 168459), (183, 112306), (233, 88206), (241, 85278), (366, 56153), (466, 44103), (482, 42639), (699, 29402), (723, 28426), (1398, 14701), (1446, 14213)]