20132891140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1\times {\mathrm{17321}}^1$

素因数の和:18072

約数の個数: 48

約数和(自身を含む): 42822062640

約数和(自身を除く): 22689171500

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 653, 890, 1306, 1780, 2612, 3265, 6530, 13060, 17321, 34642, 58117, 69284, 86605, 116234, 173210, 232468, 290585, 346420, 581170, 1162340, 1541569, 3083138, 6166276, 7707845, 11310613, 15415690, 22621226, 30831380, 45242452, 56553065, 113106130, 226212260, 1006644557, 2013289114, 4026578228, 5033222785, 10066445570, 20132891140]

約数ペア:

[(1, 20132891140), (2, 10066445570), (4, 5033222785), (5, 4026578228), (10, 2013289114), (20, 1006644557), (89, 226212260), (178, 113106130), (356, 56553065), (445, 45242452), (653, 30831380), (890, 22621226), (1306, 15415690), (1780, 11310613), (2612, 7707845), (3265, 6166276), (6530, 3083138), (13060, 1541569), (17321, 1162340), (34642, 581170), (58117, 346420), (69284, 290585), (86605, 232468), (116234, 173210)]