20925024045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{2389}}^1$

素因数の和:2910

約数の個数: 64

約数和(自身を含む): 35824761600

約数和(自身を除く): 14899737555

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 365, 421, 1095, 1263, 1387, 2105, 2389, 4161, 6315, 6935, 7167, 7999, 11945, 20805, 23997, 30733, 35835, 39995, 45391, 92199, 119985, 136173, 153665, 174397, 226955, 460995, 523191, 583927, 680865, 871985, 1005769, 1751781, 2615955, 2919635, 3017307, 3313543, 5028845, 8758905, 9940629, 15086535, 16567715, 19109611, 49703145, 57328833, 73421137, 95548055, 220263411, 286644165, 367105685, 1101317055, 1395001603, 4185004809, 6975008015, 20925024045]

約数ペア:

[(1, 20925024045), (3, 6975008015), (5, 4185004809), (15, 1395001603), (19, 1101317055), (57, 367105685), (73, 286644165), (95, 220263411), (219, 95548055), (285, 73421137), (365, 57328833), (421, 49703145), (1095, 19109611), (1263, 16567715), (1387, 15086535), (2105, 9940629), (2389, 8758905), (4161, 5028845), (6315, 3313543), (6935, 3017307), (7167, 2919635), (7999, 2615955), (11945, 1751781), (20805, 1005769), (23997, 871985), (30733, 680865), (35835, 583927), (39995, 523191), (45391, 460995), (92199, 226955), (119985, 174397), (136173, 153665)]