20415675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 39656192

約数和(自身を除く): 19240517

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 259, 525, 555, 777, 925, 1051, 1295, 2775, 3153, 3885, 5255, 6475, 7357, 15765, 19425, 22071, 26275, 36785, 38887, 78825, 110355, 116661, 183925, 194435, 272209, 551775, 583305, 816627, 972175, 1361045, 2916525, 4083135, 6805225, 20415675]

約数ペア:

[(1, 20415675), (3, 6805225), (5, 4083135), (7, 2916525), (15, 1361045), (21, 972175), (25, 816627), (35, 583305), (37, 551775), (75, 272209), (105, 194435), (111, 183925), (175, 116661), (185, 110355), (259, 78825), (525, 38887), (555, 36785), (777, 26275), (925, 22071), (1051, 19425), (1295, 15765), (2775, 7357), (3153, 6475), (3885, 5255)]