20175067715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 27700227072

約数和(自身を除く): 7525159357

約数列:

[1, 5, 11, 53, 55, 61, 83, 265, 305, 415, 583, 671, 913, 1367, 2915, 3233, 3355, 4399, 4565, 5063, 6835, 15037, 16165, 21995, 25315, 35563, 48389, 55693, 72451, 75185, 83387, 113461, 177815, 241945, 268339, 278465, 362255, 416935, 567305, 796961, 917257, 1248071, 1341695, 2951729, 3984805, 4419511, 4586285, 6013433, 6240355, 6921121, 14758645, 22097555, 30067165, 34605605, 48614621, 66147763, 76132331, 243073105, 330738815, 366819413, 380661655, 1834097065, 4035013543, 20175067715]

約数ペア:

[(1, 20175067715), (5, 4035013543), (11, 1834097065), (53, 380661655), (55, 366819413), (61, 330738815), (83, 243073105), (265, 76132331), (305, 66147763), (415, 48614621), (583, 34605605), (671, 30067165), (913, 22097555), (1367, 14758645), (2915, 6921121), (3233, 6240355), (3355, 6013433), (4399, 4586285), (4565, 4419511), (5063, 3984805), (6835, 2951729), (15037, 1341695), (16165, 1248071), (21995, 917257), (25315, 796961), (35563, 567305), (48389, 416935), (55693, 362255), (72451, 278465), (75185, 268339), (83387, 241945), (113461, 177815)]