20227504480

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{287977}}^1$

素因数の和:288431

約数の個数: 48

約数和(自身を含む): 47896500960

約数和(自身を除く): 27668996480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 35120, 70240, 287977, 575954, 1151908, 1439885, 2303816, 2879770, 4607632, 5759540, 9215264, 11519080, 23038160, 46076320, 126421903, 252843806, 505687612, 632109515, 1011375224, 1264219030, 2022750448, 2528438060, 4045500896, 5056876120, 10113752240, 20227504480]

約数ペア:

[(1, 20227504480), (2, 10113752240), (4, 5056876120), (5, 4045500896), (8, 2528438060), (10, 2022750448), (16, 1264219030), (20, 1011375224), (32, 632109515), (40, 505687612), (80, 252843806), (160, 126421903), (439, 46076320), (878, 23038160), (1756, 11519080), (2195, 9215264), (3512, 5759540), (4390, 4607632), (7024, 2879770), (8780, 2303816), (14048, 1439885), (17560, 1151908), (35120, 575954), (70240, 287977)]