20606898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 25152270

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 71, 78, 122, 142, 183, 213, 366, 426, 793, 923, 1586, 1846, 2379, 2769, 3721, 4331, 4758, 5538, 7442, 8662, 11163, 12993, 22326, 25986, 48373, 56303, 96746, 112606, 145119, 168909, 264191, 290238, 337818, 528382, 792573, 1585146, 3434483, 6868966, 10303449, 20606898]

約数ペア:

[(1, 20606898), (2, 10303449), (3, 6868966), (6, 3434483), (13, 1585146), (26, 792573), (39, 528382), (61, 337818), (71, 290238), (78, 264191), (122, 168909), (142, 145119), (183, 112606), (213, 96746), (366, 56303), (426, 48373), (793, 25986), (923, 22326), (1586, 12993), (1846, 11163), (2379, 8662), (2769, 7442), (3721, 5538), (4331, 4758)]