20347701608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{676993}}^1$

素因数の和:677046

約数の個数: 48

約数和(自身を含む): 43645803180

約数和(自身を除く): 23298101572

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 289, 442, 578, 884, 1156, 1768, 2312, 3757, 7514, 15028, 30056, 676993, 1353986, 2707972, 5415944, 8800909, 11508881, 17601818, 23017762, 35203636, 46035524, 70407272, 92071048, 149615453, 195650977, 299230906, 391301954, 598461812, 782603908, 1196923624, 1565207816, 2543462701, 5086925402, 10173850804, 20347701608]

約数ペア:

[(1, 20347701608), (2, 10173850804), (4, 5086925402), (8, 2543462701), (13, 1565207816), (17, 1196923624), (26, 782603908), (34, 598461812), (52, 391301954), (68, 299230906), (104, 195650977), (136, 149615453), (221, 92071048), (289, 70407272), (442, 46035524), (578, 35203636), (884, 23017762), (1156, 17601818), (1768, 11508881), (2312, 8800909), (3757, 5415944), (7514, 2707972), (15028, 1353986), (30056, 676993)]