20826358

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 37675008

約数和(自身を除く): 16848650

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 1021, 1457, 2042, 2914, 7147, 10199, 14294, 20398, 31651, 47987, 63302, 95974, 221557, 335909, 443114, 671818, 1487597, 2975194, 10413179, 20826358]

約数ペア:

[(1, 20826358), (2, 10413179), (7, 2975194), (14, 1487597), (31, 671818), (47, 443114), (62, 335909), (94, 221557), (217, 95974), (329, 63302), (434, 47987), (658, 31651), (1021, 20398), (1457, 14294), (2042, 10199), (2914, 7147)]