201770020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 436279536

約数和(自身を除く): 234509516

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 482, 820, 964, 1021, 1205, 2042, 2410, 4084, 4820, 5105, 9881, 10210, 19762, 20420, 39524, 41861, 49405, 83722, 98810, 167444, 197620, 209305, 246061, 418610, 492122, 837220, 984244, 1230305, 2460610, 4921220, 10088501, 20177002, 40354004, 50442505, 100885010, 201770020]

約数ペア:

[(1, 201770020), (2, 100885010), (4, 50442505), (5, 40354004), (10, 20177002), (20, 10088501), (41, 4921220), (82, 2460610), (164, 1230305), (205, 984244), (241, 837220), (410, 492122), (482, 418610), (820, 246061), (964, 209305), (1021, 197620), (1205, 167444), (2042, 98810), (2410, 83722), (4084, 49405), (4820, 41861), (5105, 39524), (9881, 20420), (10210, 19762)]