20172288620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15439}}^1\times {\mathrm{5939}}^1$

素因数の和:21398

約数の個数: 48

約数和(自身を含む): 46223654400

約数和(自身を除く): 26051365780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5939, 11878, 15439, 23756, 29695, 30878, 59390, 61756, 65329, 77195, 118780, 130658, 154390, 169829, 261316, 308780, 326645, 339658, 653290, 679316, 849145, 1306580, 1698290, 3396580, 91692221, 183384442, 366768884, 458461105, 916922210, 1008614431, 1833844420, 2017228862, 4034457724, 5043072155, 10086144310, 20172288620]

約数ペア:

[(1, 20172288620), (2, 10086144310), (4, 5043072155), (5, 4034457724), (10, 2017228862), (11, 1833844420), (20, 1008614431), (22, 916922210), (44, 458461105), (55, 366768884), (110, 183384442), (220, 91692221), (5939, 3396580), (11878, 1698290), (15439, 1306580), (23756, 849145), (29695, 679316), (30878, 653290), (59390, 339658), (61756, 326645), (65329, 308780), (77195, 261316), (118780, 169829), (130658, 154390)]