20709720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57527}}^1$

素因数の和:57544

約数の個数: 48

約数和(自身を含む): 67307760

約数和(自身を除く): 46598040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57527, 115054, 172581, 230108, 287635, 345162, 460216, 517743, 575270, 690324, 862905, 1035486, 1150540, 1380648, 1725810, 2070972, 2301080, 2588715, 3451620, 4141944, 5177430, 6903240, 10354860, 20709720]

約数ペア:

[(1, 20709720), (2, 10354860), (3, 6903240), (4, 5177430), (5, 4141944), (6, 3451620), (8, 2588715), (9, 2301080), (10, 2070972), (12, 1725810), (15, 1380648), (18, 1150540), (20, 1035486), (24, 862905), (30, 690324), (36, 575270), (40, 517743), (45, 460216), (60, 345162), (72, 287635), (90, 230108), (120, 172581), (180, 115054), (360, 57527)]