20199876515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{4493}}^1$

素因数の和:4800

約数の個数: 64

約数和(自身を含む): 30694954752

約数和(自身を除く): 10495078237

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 241, 287, 455, 533, 1205, 1435, 1687, 2665, 3133, 3731, 4493, 8435, 9881, 15665, 18655, 21931, 22465, 31451, 49405, 58409, 69167, 109655, 128453, 157255, 184213, 292045, 345835, 408863, 642265, 899171, 921065, 1082813, 1289491, 2044315, 2394769, 4495855, 5414065, 6447455, 7579691, 11973845, 14076569, 16763383, 37898455, 44395333, 70382845, 83816915, 98535983, 221976665, 310767331, 492679915, 577139329, 1553836655, 2885696645, 4039975303, 20199876515]

約数ペア:

[(1, 20199876515), (5, 4039975303), (7, 2885696645), (13, 1553836655), (35, 577139329), (41, 492679915), (65, 310767331), (91, 221976665), (205, 98535983), (241, 83816915), (287, 70382845), (455, 44395333), (533, 37898455), (1205, 16763383), (1435, 14076569), (1687, 11973845), (2665, 7579691), (3133, 6447455), (3731, 5414065), (4493, 4495855), (8435, 2394769), (9881, 2044315), (15665, 1289491), (18655, 1082813), (21931, 921065), (22465, 899171), (31451, 642265), (49405, 408863), (58409, 345835), (69167, 292045), (109655, 184213), (128453, 157255)]