20845896

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 54907200

約数和(自身を除く): 34061304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 61, 87, 116, 122, 174, 183, 232, 244, 348, 366, 488, 491, 696, 732, 982, 1464, 1473, 1769, 1964, 2946, 3538, 3928, 5307, 5892, 7076, 10614, 11784, 14152, 14239, 21228, 28478, 29951, 42456, 42717, 56956, 59902, 85434, 89853, 113912, 119804, 170868, 179706, 239608, 341736, 359412, 718824, 868579, 1737158, 2605737, 3474316, 5211474, 6948632, 10422948, 20845896]

約数ペア:

[(1, 20845896), (2, 10422948), (3, 6948632), (4, 5211474), (6, 3474316), (8, 2605737), (12, 1737158), (24, 868579), (29, 718824), (58, 359412), (61, 341736), (87, 239608), (116, 179706), (122, 170868), (174, 119804), (183, 113912), (232, 89853), (244, 85434), (348, 59902), (366, 56956), (488, 42717), (491, 42456), (696, 29951), (732, 28478), (982, 21228), (1464, 14239), (1473, 14152), (1769, 11784), (1964, 10614), (2946, 7076), (3538, 5892), (3928, 5307)]