20565785639

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{967}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 25361538048

約数和(自身を除く): 4795752409

約数列:

[1, 7, 23, 49, 113, 161, 167, 791, 967, 1127, 1169, 2599, 3841, 5537, 6769, 8183, 18193, 18871, 22241, 26887, 47383, 109271, 127351, 132097, 155687, 161489, 188209, 434033, 764897, 924679, 1089809, 1130423, 2513233, 3038231, 3714247, 5354279, 7912961, 17592631, 18248257, 21267617, 25999729, 123148417, 127737799, 181998103, 419709911, 894164593, 2937969377, 20565785639]

約数ペア:

[(1, 20565785639), (7, 2937969377), (23, 894164593), (49, 419709911), (113, 181998103), (161, 127737799), (167, 123148417), (791, 25999729), (967, 21267617), (1127, 18248257), (1169, 17592631), (2599, 7912961), (3841, 5354279), (5537, 3714247), (6769, 3038231), (8183, 2513233), (18193, 1130423), (18871, 1089809), (22241, 924679), (26887, 764897), (47383, 434033), (109271, 188209), (127351, 161489), (132097, 155687)]