20254020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4273}}^1$

素因数の和:4364

約数の個数: 48

約数和(自身を含む): 57442560

約数和(自身を除く): 37188540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4273, 4740, 8546, 12819, 17092, 21365, 25638, 42730, 51276, 64095, 85460, 128190, 256380, 337567, 675134, 1012701, 1350268, 1687835, 2025402, 3375670, 4050804, 5063505, 6751340, 10127010, 20254020]

約数ペア:

[(1, 20254020), (2, 10127010), (3, 6751340), (4, 5063505), (5, 4050804), (6, 3375670), (10, 2025402), (12, 1687835), (15, 1350268), (20, 1012701), (30, 675134), (60, 337567), (79, 256380), (158, 128190), (237, 85460), (316, 64095), (395, 51276), (474, 42730), (790, 25638), (948, 21365), (1185, 17092), (1580, 12819), (2370, 8546), (4273, 4740)]