20038192

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 19959248

約数列:

[1, 2, 4, 8, 16, 79, 83, 158, 166, 191, 316, 332, 382, 632, 664, 764, 1264, 1328, 1528, 3056, 6557, 13114, 15089, 15853, 26228, 30178, 31706, 52456, 60356, 63412, 104912, 120712, 126824, 241424, 253648, 1252387, 2504774, 5009548, 10019096, 20038192]

約数ペア:

[(1, 20038192), (2, 10019096), (4, 5009548), (8, 2504774), (16, 1252387), (79, 253648), (83, 241424), (158, 126824), (166, 120712), (191, 104912), (316, 63412), (332, 60356), (382, 52456), (632, 31706), (664, 30178), (764, 26228), (1264, 15853), (1328, 15089), (1528, 13114), (3056, 6557)]