20009679711

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{293453}}^1$

素因数の和:293671

約数の個数: 32

約数和(自身を含む): 32453664768

約数和(自身を除く): 12443985057

約数列:

[1, 3, 7, 17, 21, 51, 119, 191, 357, 573, 1337, 3247, 4011, 9741, 22729, 68187, 293453, 880359, 2054171, 4988701, 6162513, 14966103, 34920907, 56049523, 104762721, 168148569, 392346661, 952841891, 1177039983, 2858525673, 6669893237, 20009679711]

約数ペア:

[(1, 20009679711), (3, 6669893237), (7, 2858525673), (17, 1177039983), (21, 952841891), (51, 392346661), (119, 168148569), (191, 104762721), (357, 56049523), (573, 34920907), (1337, 14966103), (3247, 6162513), (4011, 4988701), (9741, 2054171), (22729, 880359), (68187, 293453)]