20807110816

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{2543}}^1\times {\mathrm{11117}}^1$

素因数の和:13693

約数の個数: 48

約数和(自身を含む): 42765698304

約数和(自身を除く): 21958587488

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 2543, 5086, 10172, 11117, 20344, 22234, 40688, 44468, 58489, 81376, 88936, 116978, 177872, 233956, 255691, 355744, 467912, 511382, 935824, 1022764, 1871648, 2045528, 4091056, 8182112, 28270531, 56541062, 113082124, 226164248, 452328496, 650222213, 904656992, 1300444426, 2600888852, 5201777704, 10403555408, 20807110816]

約数ペア:

[(1, 20807110816), (2, 10403555408), (4, 5201777704), (8, 2600888852), (16, 1300444426), (23, 904656992), (32, 650222213), (46, 452328496), (92, 226164248), (184, 113082124), (368, 56541062), (736, 28270531), (2543, 8182112), (5086, 4091056), (10172, 2045528), (11117, 1871648), (20344, 1022764), (22234, 935824), (40688, 511382), (44468, 467912), (58489, 355744), (81376, 255691), (88936, 233956), (116978, 177872)]