20740804490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1\times {\mathrm{4523}}^1$

素因数の和:5247

約数の個数: 64

約数和(自身を含む): 43139416320

約数和(自身を除く): 22398611830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 601, 763, 1090, 1202, 1526, 3005, 3815, 4207, 4523, 6010, 7630, 8414, 9046, 21035, 22615, 31661, 42070, 45230, 63322, 65509, 131018, 158305, 316610, 327545, 458563, 493007, 655090, 917126, 986014, 2292815, 2465035, 2718323, 3451049, 4585630, 4930070, 5436646, 6902098, 13591615, 17255245, 19028261, 27183230, 34510490, 38056522, 95141305, 190282610, 296297207, 592594414, 1481486035, 2074080449, 2962972070, 4148160898, 10370402245, 20740804490]

約数ペア:

[(1, 20740804490), (2, 10370402245), (5, 4148160898), (7, 2962972070), (10, 2074080449), (14, 1481486035), (35, 592594414), (70, 296297207), (109, 190282610), (218, 95141305), (545, 38056522), (601, 34510490), (763, 27183230), (1090, 19028261), (1202, 17255245), (1526, 13591615), (3005, 6902098), (3815, 5436646), (4207, 4930070), (4523, 4585630), (6010, 3451049), (7630, 2718323), (8414, 2465035), (9046, 2292815), (21035, 986014), (22615, 917126), (31661, 655090), (42070, 493007), (45230, 458563), (63322, 327545), (65509, 316610), (131018, 158305)]