20176891186

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1\times {\mathrm{1613}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 30982912128

約数和(自身を除く): 10806020942

約数列:

[1, 2, 71, 137, 142, 274, 643, 1286, 1613, 3226, 9727, 19454, 45653, 88091, 91306, 114523, 176182, 220981, 229046, 441962, 1037159, 2074318, 6254461, 12508922, 15689651, 31379302, 73638289, 142090783, 147276578, 284181566, 10088445593, 20176891186]

約数ペア:

[(1, 20176891186), (2, 10088445593), (71, 284181566), (137, 147276578), (142, 142090783), (274, 73638289), (643, 31379302), (1286, 15689651), (1613, 12508922), (3226, 6254461), (9727, 2074318), (19454, 1037159), (45653, 441962), (88091, 229046), (91306, 220981), (114523, 176182)]