20915952

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11777}}^1$

素因数の和:11825

約数の個数: 40

約数和(自身を含む): 55497936

約数和(自身を除く): 34581984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11777, 23554, 35331, 47108, 70662, 94216, 141324, 188432, 282648, 435749, 565296, 871498, 1307247, 1742996, 2614494, 3485992, 5228988, 6971984, 10457976, 20915952]

約数ペア:

[(1, 20915952), (2, 10457976), (3, 6971984), (4, 5228988), (6, 3485992), (8, 2614494), (12, 1742996), (16, 1307247), (24, 871498), (37, 565296), (48, 435749), (74, 282648), (111, 188432), (148, 141324), (222, 94216), (296, 70662), (444, 47108), (592, 35331), (888, 23554), (1776, 11777)]