20178023790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12690581}}^1$

素因数の和:12690644

約数の個数: 32

約数和(自身を含む): 49340982816

約数和(自身を除く): 29162959026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 12690581, 25381162, 38071743, 63452905, 76143486, 126905810, 190358715, 380717430, 672600793, 1345201586, 2017802379, 3363003965, 4035604758, 6726007930, 10089011895, 20178023790]

約数ペア:

[(1, 20178023790), (2, 10089011895), (3, 6726007930), (5, 4035604758), (6, 3363003965), (10, 2017802379), (15, 1345201586), (30, 672600793), (53, 380717430), (106, 190358715), (159, 126905810), (265, 76143486), (318, 63452905), (530, 38071743), (795, 25381162), (1590, 12690581)]