20456040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15497}}^1$

素因数の和:15522

約数の個数: 64

約数和(自身を含む): 66951360

約数和(自身を除く): 46495320

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, 15497, 30994, 46491, 61988, 77485, 92982, 123976, 154970, 170467, 185964, 232455, 309940, 340934, 371928, 464910, 511401, 619880, 681868, 852335, 929820, 1022802, 1363736, 1704670, 1859640, 2045604, 2557005, 3409340, 4091208, 5114010, 6818680, 10228020, 20456040]

約数ペア:

[(1, 20456040), (2, 10228020), (3, 6818680), (4, 5114010), (5, 4091208), (6, 3409340), (8, 2557005), (10, 2045604), (11, 1859640), (12, 1704670), (15, 1363736), (20, 1022802), (22, 929820), (24, 852335), (30, 681868), (33, 619880), (40, 511401), (44, 464910), (55, 371928), (60, 340934), (66, 309940), (88, 232455), (110, 185964), (120, 170467), (132, 154970), (165, 123976), (220, 92982), (264, 77485), (330, 61988), (440, 46491), (660, 30994), (1320, 15497)]