20533736

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 19262104

約数列:

[1, 2, 4, 8, 47, 94, 97, 188, 194, 376, 388, 563, 776, 1126, 2252, 4504, 4559, 9118, 18236, 26461, 36472, 52922, 54611, 105844, 109222, 211688, 218444, 436888, 2566717, 5133434, 10266868, 20533736]

約数ペア:

[(1, 20533736), (2, 10266868), (4, 5133434), (8, 2566717), (47, 436888), (94, 218444), (97, 211688), (188, 109222), (194, 105844), (376, 54611), (388, 52922), (563, 36472), (776, 26461), (1126, 18236), (2252, 9118), (4504, 4559)]