20174492140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{46573}}^1$

素因数の和:46783

約数の個数: 72

約数和(自身を含む): 46829225520

約数和(自身を除く): 26654733380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 179, 220, 242, 358, 484, 605, 716, 895, 1210, 1790, 1969, 2420, 3580, 3938, 7876, 9845, 19690, 21659, 39380, 43318, 46573, 86636, 93146, 108295, 186292, 216590, 232865, 433180, 465730, 512303, 931460, 1024606, 2049212, 2561515, 5123030, 5635333, 8336567, 10246060, 11270666, 16673134, 22541332, 28176665, 33346268, 41682835, 56353330, 83365670, 91702237, 112706660, 166731340, 183404474, 366808948, 458511185, 917022370, 1008724607, 1834044740, 2017449214, 4034898428, 5043623035, 10087246070, 20174492140]

約数ペア:

[(1, 20174492140), (2, 10087246070), (4, 5043623035), (5, 4034898428), (10, 2017449214), (11, 1834044740), (20, 1008724607), (22, 917022370), (44, 458511185), (55, 366808948), (110, 183404474), (121, 166731340), (179, 112706660), (220, 91702237), (242, 83365670), (358, 56353330), (484, 41682835), (605, 33346268), (716, 28176665), (895, 22541332), (1210, 16673134), (1790, 11270666), (1969, 10246060), (2420, 8336567), (3580, 5635333), (3938, 5123030), (7876, 2561515), (9845, 2049212), (19690, 1024606), (21659, 931460), (39380, 512303), (43318, 465730), (46573, 433180), (86636, 232865), (93146, 216590), (108295, 186292)]