20859960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15803}}^1$

素因数の和:15828

約数の個数: 64

約数和(自身を含む): 68273280

約数和(自身を除く): 47413320

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, 15803, 31606, 47409, 63212, 79015, 94818, 126424, 158030, 173833, 189636, 237045, 316060, 347666, 379272, 474090, 521499, 632120, 695332, 869165, 948180, 1042998, 1390664, 1738330, 1896360, 2085996, 2607495, 3476660, 4171992, 5214990, 6953320, 10429980, 20859960]

約数ペア:

[(1, 20859960), (2, 10429980), (3, 6953320), (4, 5214990), (5, 4171992), (6, 3476660), (8, 2607495), (10, 2085996), (11, 1896360), (12, 1738330), (15, 1390664), (20, 1042998), (22, 948180), (24, 869165), (30, 695332), (33, 632120), (40, 521499), (44, 474090), (55, 379272), (60, 347666), (66, 316060), (88, 237045), (110, 189636), (120, 173833), (132, 158030), (165, 126424), (220, 94818), (264, 79015), (330, 63212), (440, 47409), (660, 31606), (1320, 15803)]