20494050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 51103872

約数和(自身を除く): 30609822

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 317, 431, 634, 862, 951, 1293, 1585, 1902, 2155, 2586, 3170, 4310, 4755, 6465, 7925, 9510, 10775, 12930, 15850, 21550, 23775, 32325, 47550, 64650, 136627, 273254, 409881, 683135, 819762, 1366270, 2049405, 3415675, 4098810, 6831350, 10247025, 20494050]

約数ペア:

[(1, 20494050), (2, 10247025), (3, 6831350), (5, 4098810), (6, 3415675), (10, 2049405), (15, 1366270), (25, 819762), (30, 683135), (50, 409881), (75, 273254), (150, 136627), (317, 64650), (431, 47550), (634, 32325), (862, 23775), (951, 21550), (1293, 15850), (1585, 12930), (1902, 10775), (2155, 9510), (2586, 7925), (3170, 6465), (4310, 4755)]