20408016

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11491}}^1$

素因数の和:11539

約数の個数: 40

約数和(自身を含む): 54150304

約数和(自身を除く): 33742288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11491, 22982, 34473, 45964, 68946, 91928, 137892, 183856, 275784, 425167, 551568, 850334, 1275501, 1700668, 2551002, 3401336, 5102004, 6802672, 10204008, 20408016]

約数ペア:

[(1, 20408016), (2, 10204008), (3, 6802672), (4, 5102004), (6, 3401336), (8, 2551002), (12, 1700668), (16, 1275501), (24, 850334), (37, 551568), (48, 425167), (74, 275784), (111, 183856), (148, 137892), (222, 91928), (296, 68946), (444, 45964), (592, 34473), (888, 22982), (1776, 11491)]