20812944

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11719}}^1$

素因数の和:11767

約数の個数: 40

約数和(自身を含む): 55224640

約数和(自身を除く): 34411696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11719, 23438, 35157, 46876, 70314, 93752, 140628, 187504, 281256, 433603, 562512, 867206, 1300809, 1734412, 2601618, 3468824, 5203236, 6937648, 10406472, 20812944]

約数ペア:

[(1, 20812944), (2, 10406472), (3, 6937648), (4, 5203236), (6, 3468824), (8, 2601618), (12, 1734412), (16, 1300809), (24, 867206), (37, 562512), (48, 433603), (74, 281256), (111, 187504), (148, 140628), (222, 93752), (296, 70314), (444, 46876), (592, 35157), (888, 23438), (1776, 11719)]