20093775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 36810144

約数和(自身を除く): 16716369

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 557, 925, 975, 1443, 1671, 2405, 2775, 2785, 7215, 7241, 8355, 12025, 13925, 20609, 21723, 36075, 36205, 41775, 61827, 103045, 108615, 181025, 267917, 309135, 515225, 543075, 803751, 1339585, 1545675, 4018755, 6697925, 20093775]

約数ペア:

[(1, 20093775), (3, 6697925), (5, 4018755), (13, 1545675), (15, 1339585), (25, 803751), (37, 543075), (39, 515225), (65, 309135), (75, 267917), (111, 181025), (185, 108615), (195, 103045), (325, 61827), (481, 41775), (555, 36205), (557, 36075), (925, 21723), (975, 20609), (1443, 13925), (1671, 12025), (2405, 8355), (2775, 7241), (2785, 7215)]