20199787792

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{1361}}^1\times {\mathrm{8209}}^1$

素因数の和:9691

約数の個数: 40

約数和(自身を含む): 39517258680

約数和(自身を除く): 19317470888

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1361, 1808, 2722, 5444, 8209, 10888, 16418, 21776, 32836, 65672, 131344, 153793, 307586, 615172, 927617, 1230344, 1855234, 2460688, 3710468, 7420936, 11172449, 14841872, 22344898, 44689796, 89379592, 178759184, 1262486737, 2524973474, 5049946948, 10099893896, 20199787792]

約数ペア:

[(1, 20199787792), (2, 10099893896), (4, 5049946948), (8, 2524973474), (16, 1262486737), (113, 178759184), (226, 89379592), (452, 44689796), (904, 22344898), (1361, 14841872), (1808, 11172449), (2722, 7420936), (5444, 3710468), (8209, 2460688), (10888, 1855234), (16418, 1230344), (21776, 927617), (32836, 615172), (65672, 307586), (131344, 153793)]