20876492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 45572352

約数和(自身を除く): 24695860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 691, 1079, 1162, 1382, 2158, 2324, 2764, 4316, 4837, 7553, 8983, 9674, 15106, 17966, 19348, 30212, 35932, 57353, 62881, 114706, 125762, 229412, 251524, 401471, 745589, 802942, 1491178, 1605884, 2982356, 5219123, 10438246, 20876492]

約数ペア:

[(1, 20876492), (2, 10438246), (4, 5219123), (7, 2982356), (13, 1605884), (14, 1491178), (26, 802942), (28, 745589), (52, 401471), (83, 251524), (91, 229412), (166, 125762), (182, 114706), (332, 62881), (364, 57353), (581, 35932), (691, 30212), (1079, 19348), (1162, 17966), (1382, 15106), (2158, 9674), (2324, 8983), (2764, 7553), (4316, 4837)]