20212553625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1861}}^1\times {\mathrm{2633}}^1$

素因数の和:4523

約数の個数: 64

約数和(自身を含む): 36724955904

約数和(自身を除く): 16512402279

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 1861, 2633, 4125, 5583, 7899, 9305, 13165, 20471, 27915, 28963, 39495, 46525, 61413, 65825, 86889, 102355, 139575, 144815, 197475, 232625, 307065, 329125, 434445, 511775, 697875, 724075, 987375, 1535325, 2172225, 2558875, 3620375, 4900013, 7676625, 10861125, 14700039, 24500065, 53900143, 73500195, 122500325, 161700429, 269500715, 367500975, 612501625, 808502145, 1347503575, 1837504875, 4042510725, 6737517875, 20212553625]

約数ペア:

[(1, 20212553625), (3, 6737517875), (5, 4042510725), (11, 1837504875), (15, 1347503575), (25, 808502145), (33, 612501625), (55, 367500975), (75, 269500715), (125, 161700429), (165, 122500325), (275, 73500195), (375, 53900143), (825, 24500065), (1375, 14700039), (1861, 10861125), (2633, 7676625), (4125, 4900013), (5583, 3620375), (7899, 2558875), (9305, 2172225), (13165, 1535325), (20471, 987375), (27915, 724075), (28963, 697875), (39495, 511775), (46525, 434445), (61413, 329125), (65825, 307065), (86889, 232625), (102355, 197475), (139575, 144815)]