20159388640

素因数分解:

$2^5\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{57193}}^1$

素因数の和:59411

約数の個数: 48

約数和(自身を含む): 47649007728

約数和(自身を除く): 27489619088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2203, 4406, 8812, 11015, 17624, 22030, 35248, 44060, 57193, 70496, 88120, 114386, 176240, 228772, 285965, 352480, 457544, 571930, 915088, 1143860, 1830176, 2287720, 4575440, 9150880, 125996179, 251992358, 503984716, 629980895, 1007969432, 1259961790, 2015938864, 2519923580, 4031877728, 5039847160, 10079694320, 20159388640]

約数ペア:

[(1, 20159388640), (2, 10079694320), (4, 5039847160), (5, 4031877728), (8, 2519923580), (10, 2015938864), (16, 1259961790), (20, 1007969432), (32, 629980895), (40, 503984716), (80, 251992358), (160, 125996179), (2203, 9150880), (4406, 4575440), (8812, 2287720), (11015, 1830176), (17624, 1143860), (22030, 915088), (35248, 571930), (44060, 457544), (57193, 352480), (70496, 285965), (88120, 228772), (114386, 176240)]