20131682740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1\times {\mathrm{16691}}^1$

素因数の和:21352

約数の個数: 48

約数和(自身を含む): 45541117440

約数和(自身を除く): 25409434700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4639, 9278, 16691, 18556, 23195, 33382, 46390, 60307, 66764, 83455, 92780, 120614, 166910, 216983, 241228, 301535, 333820, 433966, 603070, 867932, 1084915, 1206140, 2169830, 4339660, 77429549, 154859098, 309718196, 387147745, 774295490, 1006584137, 1548590980, 2013168274, 4026336548, 5032920685, 10065841370, 20131682740]

約数ペア:

[(1, 20131682740), (2, 10065841370), (4, 5032920685), (5, 4026336548), (10, 2013168274), (13, 1548590980), (20, 1006584137), (26, 774295490), (52, 387147745), (65, 309718196), (130, 154859098), (260, 77429549), (4639, 4339660), (9278, 2169830), (16691, 1206140), (18556, 1084915), (23195, 867932), (33382, 603070), (46390, 433966), (60307, 333820), (66764, 301535), (83455, 241228), (92780, 216983), (120614, 166910)]