15828020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3581}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 37911888

約数和(自身を除く): 22083868

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3581, 4420, 7162, 14324, 17905, 35810, 46553, 60877, 71620, 93106, 121754, 186212, 232765, 243508, 304385, 465530, 608770, 791401, 931060, 1217540, 1582802, 3165604, 3957005, 7914010, 15828020]

約数ペア:

[(1, 15828020), (2, 7914010), (4, 3957005), (5, 3165604), (10, 1582802), (13, 1217540), (17, 931060), (20, 791401), (26, 608770), (34, 465530), (52, 304385), (65, 243508), (68, 232765), (85, 186212), (130, 121754), (170, 93106), (221, 71620), (260, 60877), (340, 46553), (442, 35810), (884, 17905), (1105, 14324), (2210, 7162), (3581, 4420)]