20525584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:583

約数の個数: 40

約数和(自身を含む): 41434848

約数和(自身を除く): 20909264

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 467, 536, 656, 934, 1072, 1868, 2747, 3736, 5494, 7472, 10988, 19147, 21976, 31289, 38294, 43952, 62578, 76588, 125156, 153176, 250312, 306352, 500624, 1282849, 2565698, 5131396, 10262792, 20525584]

約数ペア:

[(1, 20525584), (2, 10262792), (4, 5131396), (8, 2565698), (16, 1282849), (41, 500624), (67, 306352), (82, 250312), (134, 153176), (164, 125156), (268, 76588), (328, 62578), (467, 43952), (536, 38294), (656, 31289), (934, 21976), (1072, 19147), (1868, 10988), (2747, 7472), (3736, 5494)]