20767425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5651}}^1$

素因数の和:5678

約数の個数: 36

約数和(自身を含む): 39948336

約数和(自身を除く): 19180911

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5651, 16953, 28255, 39557, 84765, 118671, 141275, 197785, 276899, 423825, 593355, 830697, 988925, 1384495, 2966775, 4153485, 6922475, 20767425]

約数ペア:

[(1, 20767425), (3, 6922475), (5, 4153485), (7, 2966775), (15, 1384495), (21, 988925), (25, 830697), (35, 593355), (49, 423825), (75, 276899), (105, 197785), (147, 141275), (175, 118671), (245, 84765), (525, 39557), (735, 28255), (1225, 16953), (3675, 5651)]