20165730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1783}}^1$

素因数の和:1835

約数の個数: 64

約数和(自身を含む): 53948160

約数和(自身を除く): 33782430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1783, 1885, 2262, 3566, 3770, 5349, 5655, 8915, 10698, 11310, 17830, 23179, 26745, 46358, 51707, 53490, 69537, 103414, 115895, 139074, 155121, 231790, 258535, 310242, 347685, 517070, 672191, 695370, 775605, 1344382, 1551210, 2016573, 3360955, 4033146, 6721910, 10082865, 20165730]

約数ペア:

[(1, 20165730), (2, 10082865), (3, 6721910), (5, 4033146), (6, 3360955), (10, 2016573), (13, 1551210), (15, 1344382), (26, 775605), (29, 695370), (30, 672191), (39, 517070), (58, 347685), (65, 310242), (78, 258535), (87, 231790), (130, 155121), (145, 139074), (174, 115895), (195, 103414), (290, 69537), (377, 53490), (390, 51707), (435, 46358), (754, 26745), (870, 23179), (1131, 17830), (1783, 11310), (1885, 10698), (2262, 8915), (3566, 5655), (3770, 5349)]