20833784

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 19705096

約数列:

[1, 2, 4, 8, 47, 67, 94, 134, 188, 268, 376, 536, 827, 1654, 3149, 3308, 6298, 6616, 12596, 25192, 38869, 55409, 77738, 110818, 155476, 221636, 310952, 443272, 2604223, 5208446, 10416892, 20833784]

約数ペア:

[(1, 20833784), (2, 10416892), (4, 5208446), (8, 2604223), (47, 443272), (67, 310952), (94, 221636), (134, 155476), (188, 110818), (268, 77738), (376, 55409), (536, 38869), (827, 25192), (1654, 12596), (3149, 6616), (3308, 6298)]