20153640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12919}}^1$

素因数の和:12946

約数の個数: 64

約数和(自身を含む): 65116800

約数和(自身を除く): 44963160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12919, 25838, 38757, 51676, 64595, 77514, 103352, 129190, 155028, 167947, 193785, 258380, 310056, 335894, 387570, 503841, 516760, 671788, 775140, 839735, 1007682, 1343576, 1550280, 1679470, 2015364, 2519205, 3358940, 4030728, 5038410, 6717880, 10076820, 20153640]

約数ペア:

[(1, 20153640), (2, 10076820), (3, 6717880), (4, 5038410), (5, 4030728), (6, 3358940), (8, 2519205), (10, 2015364), (12, 1679470), (13, 1550280), (15, 1343576), (20, 1007682), (24, 839735), (26, 775140), (30, 671788), (39, 516760), (40, 503841), (52, 387570), (60, 335894), (65, 310056), (78, 258380), (104, 193785), (120, 167947), (130, 155028), (156, 129190), (195, 103352), (260, 77514), (312, 64595), (390, 51676), (520, 38757), (780, 25838), (1560, 12919)]