20381904

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2399}}^1$

素因数の和:2472

約数の個数: 60

約数和(自身を含む): 58032000

約数和(自身を除く): 37650096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2399, 2832, 4248, 4798, 7197, 8496, 9596, 14394, 19192, 21591, 28788, 38384, 43182, 57576, 86364, 115152, 141541, 172728, 283082, 345456, 424623, 566164, 849246, 1132328, 1273869, 1698492, 2264656, 2547738, 3396984, 5095476, 6793968, 10190952, 20381904]

約数ペア:

[(1, 20381904), (2, 10190952), (3, 6793968), (4, 5095476), (6, 3396984), (8, 2547738), (9, 2264656), (12, 1698492), (16, 1273869), (18, 1132328), (24, 849246), (36, 566164), (48, 424623), (59, 345456), (72, 283082), (118, 172728), (144, 141541), (177, 115152), (236, 86364), (354, 57576), (472, 43182), (531, 38384), (708, 28788), (944, 21591), (1062, 19192), (1416, 14394), (2124, 9596), (2399, 8496), (2832, 7197), (4248, 4798)]