20996656992

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{1970407}}^1$

素因数の和:1970460

約数の個数: 72

約数和(自身を含む): 61323037776

約数和(自身を除く): 40326380784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 10656, 1970407, 3940814, 5911221, 7881628, 11822442, 15763256, 17733663, 23644884, 31526512, 35467326, 47289768, 63053024, 70934652, 72905059, 94579536, 141869304, 145810118, 189159072, 218715177, 283738608, 291620236, 437430354, 567477216, 583240472, 656145531, 874860708, 1166480944, 1312291062, 1749721416, 2332961888, 2624582124, 3499442832, 5249164248, 6998885664, 10498328496, 20996656992]

約数ペア:

[(1, 20996656992), (2, 10498328496), (3, 6998885664), (4, 5249164248), (6, 3499442832), (8, 2624582124), (9, 2332961888), (12, 1749721416), (16, 1312291062), (18, 1166480944), (24, 874860708), (32, 656145531), (36, 583240472), (37, 567477216), (48, 437430354), (72, 291620236), (74, 283738608), (96, 218715177), (111, 189159072), (144, 145810118), (148, 141869304), (222, 94579536), (288, 72905059), (296, 70934652), (333, 63053024), (444, 47289768), (592, 35467326), (666, 31526512), (888, 23644884), (1184, 17733663), (1332, 15763256), (1776, 11822442), (2664, 7881628), (3552, 5911221), (5328, 3940814), (10656, 1970407)]