20708336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 44257584

約数和(自身を除く): 23549248

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 776, 1067, 1213, 1552, 2134, 2426, 4268, 4852, 8536, 9704, 13343, 17072, 19408, 26686, 53372, 106744, 117661, 213488, 235322, 470644, 941288, 1294271, 1882576, 2588542, 5177084, 10354168, 20708336]

約数ペア:

[(1, 20708336), (2, 10354168), (4, 5177084), (8, 2588542), (11, 1882576), (16, 1294271), (22, 941288), (44, 470644), (88, 235322), (97, 213488), (176, 117661), (194, 106744), (388, 53372), (776, 26686), (1067, 19408), (1213, 17072), (1552, 13343), (2134, 9704), (2426, 8536), (4268, 4852)]