20973017

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 24643080

約数和(自身を除く): 3670063

約数列:

[1, 13, 19, 41, 109, 247, 361, 533, 779, 1417, 2071, 4469, 4693, 10127, 14801, 26923, 39349, 58097, 84911, 192413, 511537, 1103843, 1613309, 20973017]

約数ペア:

[(1, 20973017), (13, 1613309), (19, 1103843), (41, 511537), (109, 192413), (247, 84911), (361, 58097), (533, 39349), (779, 26923), (1417, 14801), (2071, 10127), (4469, 4693)]