20178518973

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{7213}}^1\times {\mathrm{15287}}^1$

素因数の和:22564

約数の個数: 16

約数和(自身を含む): 27351332736

約数和(自身を除く): 7172813763

約数列:

[1, 3, 61, 183, 7213, 15287, 21639, 45861, 439993, 932507, 1319979, 2797521, 110265131, 330795393, 6726172991, 20178518973]

約数ペア:

[(1, 20178518973), (3, 6726172991), (61, 330795393), (183, 110265131), (7213, 2797521), (15287, 1319979), (21639, 932507), (45861, 439993)]