20071808

素因数分解:

$2^7\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 40245120

約数和(自身を除く): 20173312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 382, 764, 821, 1528, 1642, 3056, 3284, 6112, 6568, 12224, 13136, 24448, 26272, 52544, 105088, 156811, 313622, 627244, 1254488, 2508976, 5017952, 10035904, 20071808]

約数ペア:

[(1, 20071808), (2, 10035904), (4, 5017952), (8, 2508976), (16, 1254488), (32, 627244), (64, 313622), (128, 156811), (191, 105088), (382, 52544), (764, 26272), (821, 24448), (1528, 13136), (1642, 12224), (3056, 6568), (3284, 6112)]