20512648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3343}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 21621752

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3343, 6136, 6686, 13372, 26744, 43459, 86918, 173836, 197237, 347672, 394474, 788948, 1577896, 2564081, 5128162, 10256324, 20512648]

約数ペア:

[(1, 20512648), (2, 10256324), (4, 5128162), (8, 2564081), (13, 1577896), (26, 788948), (52, 394474), (59, 347672), (104, 197237), (118, 173836), (236, 86918), (472, 43459), (767, 26744), (1534, 13372), (3068, 6686), (3343, 6136)]