20873640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3701}}^1$

素因数の和:3762

約数の個数: 64

約数和(自身を含む): 63970560

約数和(自身を除く): 43096920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3701, 5640, 7402, 11103, 14804, 18505, 22206, 29608, 37010, 44412, 55515, 74020, 88824, 111030, 148040, 173947, 222060, 347894, 444120, 521841, 695788, 869735, 1043682, 1391576, 1739470, 2087364, 2609205, 3478940, 4174728, 5218410, 6957880, 10436820, 20873640]

約数ペア:

[(1, 20873640), (2, 10436820), (3, 6957880), (4, 5218410), (5, 4174728), (6, 3478940), (8, 2609205), (10, 2087364), (12, 1739470), (15, 1391576), (20, 1043682), (24, 869735), (30, 695788), (40, 521841), (47, 444120), (60, 347894), (94, 222060), (120, 173947), (141, 148040), (188, 111030), (235, 88824), (282, 74020), (376, 55515), (470, 44412), (564, 37010), (705, 29608), (940, 22206), (1128, 18505), (1410, 14804), (1880, 11103), (2820, 7402), (3701, 5640)]