20187010725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{4957}}^1\times {\mathrm{7757}}^1$

素因数の和:12734

約数の個数: 48

約数和(自身を含む): 38156450688

約数和(自身を除く): 17969439963

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 4957, 7757, 14871, 23271, 24785, 34699, 38785, 54299, 74355, 104097, 116355, 123925, 162897, 173495, 193925, 271495, 371775, 520485, 581775, 814485, 867475, 1357475, 2602425, 4072425, 38451449, 115354347, 192257245, 269160143, 576771735, 807480429, 961286225, 1345800715, 2883858675, 4037402145, 6729003575, 20187010725]

約数ペア:

[(1, 20187010725), (3, 6729003575), (5, 4037402145), (7, 2883858675), (15, 1345800715), (21, 961286225), (25, 807480429), (35, 576771735), (75, 269160143), (105, 192257245), (175, 115354347), (525, 38451449), (4957, 4072425), (7757, 2602425), (14871, 1357475), (23271, 867475), (24785, 814485), (34699, 581775), (38785, 520485), (54299, 371775), (74355, 271495), (104097, 193925), (116355, 173495), (123925, 162897)]