20778897244

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10165801}}^1$

素因数の和:10165885

約数の個数: 24

約数和(自身を含む): 42127083488

約数和(自身を除く): 21348186244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10165801, 20331602, 40663204, 71160607, 142321214, 284642428, 742103473, 1484206946, 2968413892, 5194724311, 10389448622, 20778897244]

約数ペア:

[(1, 20778897244), (2, 10389448622), (4, 5194724311), (7, 2968413892), (14, 1484206946), (28, 742103473), (73, 284642428), (146, 142321214), (292, 71160607), (511, 40663204), (1022, 20331602), (2044, 10165801)]