20123951225

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1283}}^1\times {\mathrm{1907}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 29163276288

約数和(自身を除く): 9039325063

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1283, 1645, 1907, 6415, 8225, 8981, 9535, 13349, 32075, 44905, 47675, 60301, 66745, 89629, 224525, 301505, 333725, 422107, 448145, 627403, 1507525, 2110535, 2240725, 2446681, 3137015, 10552675, 12233405, 15685075, 17126767, 61167025, 85633835, 114994007, 428169175, 574970035, 804958049, 2874850175, 4024790245, 20123951225]

約数ペア:

[(1, 20123951225), (5, 4024790245), (7, 2874850175), (25, 804958049), (35, 574970035), (47, 428169175), (175, 114994007), (235, 85633835), (329, 61167025), (1175, 17126767), (1283, 15685075), (1645, 12233405), (1907, 10552675), (6415, 3137015), (8225, 2446681), (8981, 2240725), (9535, 2110535), (13349, 1507525), (32075, 627403), (44905, 448145), (47675, 422107), (60301, 333725), (66745, 301505), (89629, 224525)]