20131608940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{297893}}^1$

素因数の和:298042

約数の個数: 48

約数和(自身を含む): 44040648960

約数和(自身を除く): 23909040020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3379, 6758, 13516, 16895, 33790, 67580, 297893, 595786, 1191572, 1489465, 2978930, 5957860, 9234683, 18469366, 32470337, 36938732, 46173415, 64940674, 92346830, 129881348, 162351685, 184693660, 324703370, 649406740, 1006580447, 2013160894, 4026321788, 5032902235, 10065804470, 20131608940]

約数ペア:

[(1, 20131608940), (2, 10065804470), (4, 5032902235), (5, 4026321788), (10, 2013160894), (20, 1006580447), (31, 649406740), (62, 324703370), (109, 184693660), (124, 162351685), (155, 129881348), (218, 92346830), (310, 64940674), (436, 46173415), (545, 36938732), (620, 32470337), (1090, 18469366), (2180, 9234683), (3379, 5957860), (6758, 2978930), (13516, 1489465), (16895, 1191572), (33790, 595786), (67580, 297893)]