20398658

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 16580542

約数列:

[1, 2, 7, 14, 29, 47, 58, 94, 203, 329, 406, 658, 1069, 1363, 2138, 2726, 7483, 9541, 14966, 19082, 31001, 50243, 62002, 100486, 217007, 351701, 434014, 703402, 1457047, 2914094, 10199329, 20398658]

約数ペア:

[(1, 20398658), (2, 10199329), (7, 2914094), (14, 1457047), (29, 703402), (47, 434014), (58, 351701), (94, 217007), (203, 100486), (329, 62002), (406, 50243), (658, 31001), (1069, 19082), (1363, 14966), (2138, 9541), (2726, 7483)]