20138087780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1\times {\mathrm{44917}}^1$

素因数の和:45728

約数の個数: 48

約数和(自身を含む): 43805830320

約数和(自身を除く): 23667742540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 773, 1546, 3092, 3865, 7730, 15460, 22417, 44834, 44917, 89668, 89834, 112085, 179668, 224170, 224585, 448340, 449170, 898340, 1302593, 2605186, 5210372, 6512965, 13025930, 26051860, 34720841, 69441682, 138883364, 173604205, 347208410, 694416820, 1006904389, 2013808778, 4027617556, 5034521945, 10069043890, 20138087780]

約数ペア:

[(1, 20138087780), (2, 10069043890), (4, 5034521945), (5, 4027617556), (10, 2013808778), (20, 1006904389), (29, 694416820), (58, 347208410), (116, 173604205), (145, 138883364), (290, 69441682), (580, 34720841), (773, 26051860), (1546, 13025930), (3092, 6512965), (3865, 5210372), (7730, 2605186), (15460, 1302593), (22417, 898340), (44834, 449170), (44917, 448340), (89668, 224585), (89834, 224170), (112085, 179668)]