20175651340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4564627}}^1$

素因数の和:4564666

約数の個数: 48

約数和(自身を含む): 48312022752

約数和(自身を除く): 28136371412

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, 4420, 4564627, 9129254, 18258508, 22823135, 45646270, 59340151, 77598659, 91292540, 118680302, 155197318, 237360604, 296700755, 310394636, 387993295, 593401510, 775986590, 1008782567, 1186803020, 1551973180, 2017565134, 4035130268, 5043912835, 10087825670, 20175651340]

約数ペア:

[(1, 20175651340), (2, 10087825670), (4, 5043912835), (5, 4035130268), (10, 2017565134), (13, 1551973180), (17, 1186803020), (20, 1008782567), (26, 775986590), (34, 593401510), (52, 387993295), (65, 310394636), (68, 296700755), (85, 237360604), (130, 155197318), (170, 118680302), (221, 91292540), (260, 77598659), (340, 59340151), (442, 45646270), (884, 22823135), (1105, 18258508), (2210, 9129254), (4420, 4564627)]