20235670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 46118016

約数和(自身を除く): 25882346

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 601, 910, 962, 1202, 1295, 2405, 2590, 3005, 3367, 4207, 4810, 6010, 6734, 7813, 8414, 15626, 16835, 21035, 22237, 33670, 39065, 42070, 44474, 54691, 78130, 109382, 111185, 155659, 222370, 273455, 289081, 311318, 546910, 578162, 778295, 1445405, 1556590, 2023567, 2890810, 4047134, 10117835, 20235670]

約数ペア:

[(1, 20235670), (2, 10117835), (5, 4047134), (7, 2890810), (10, 2023567), (13, 1556590), (14, 1445405), (26, 778295), (35, 578162), (37, 546910), (65, 311318), (70, 289081), (74, 273455), (91, 222370), (130, 155659), (182, 111185), (185, 109382), (259, 78130), (370, 54691), (455, 44474), (481, 42070), (518, 39065), (601, 33670), (910, 22237), (962, 21035), (1202, 16835), (1295, 15626), (2405, 8414), (2590, 7813), (3005, 6734), (3367, 6010), (4207, 4810)]