20450760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15493}}^1$

素因数の和:15518

約数の個数: 64

約数和(自身を含む): 66934080

約数和(自身を除く): 46483320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15493, 30986, 46479, 61972, 77465, 92958, 123944, 154930, 170423, 185916, 232395, 309860, 340846, 371832, 464790, 511269, 619720, 681692, 852115, 929580, 1022538, 1363384, 1704230, 1859160, 2045076, 2556345, 3408460, 4090152, 5112690, 6816920, 10225380, 20450760]

約数ペア:

[(1, 20450760), (2, 10225380), (3, 6816920), (4, 5112690), (5, 4090152), (6, 3408460), (8, 2556345), (10, 2045076), (11, 1859160), (12, 1704230), (15, 1363384), (20, 1022538), (22, 929580), (24, 852115), (30, 681692), (33, 619720), (40, 511269), (44, 464790), (55, 371832), (60, 340846), (66, 309860), (88, 232395), (110, 185916), (120, 170423), (132, 154930), (165, 123944), (220, 92958), (264, 77465), (330, 61972), (440, 46479), (660, 30986), (1320, 15493)]