20108816

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2008

約数の個数: 60

約数和(自身を含む): 48832812

約数和(自身を除く): 28723996

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 1973, 2548, 3946, 5096, 7892, 10192, 13811, 15784, 25649, 27622, 31568, 51298, 55244, 96677, 102596, 110488, 179543, 193354, 205192, 220976, 359086, 386708, 410384, 718172, 773416, 1256801, 1436344, 1546832, 2513602, 2872688, 5027204, 10054408, 20108816]

約数ペア:

[(1, 20108816), (2, 10054408), (4, 5027204), (7, 2872688), (8, 2513602), (13, 1546832), (14, 1436344), (16, 1256801), (26, 773416), (28, 718172), (49, 410384), (52, 386708), (56, 359086), (91, 220976), (98, 205192), (104, 193354), (112, 179543), (182, 110488), (196, 102596), (208, 96677), (364, 55244), (392, 51298), (637, 31568), (728, 27622), (784, 25649), (1274, 15784), (1456, 13811), (1973, 10192), (2548, 7892), (3946, 5096)]