20662425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4373}}^1$

素因数の和:4399

約数の個数: 48

約数和(自身を含む): 43390080

約数和(自身を除く): 22727655

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4373, 4725, 13119, 21865, 30611, 39357, 65595, 91833, 109325, 118071, 153055, 196785, 275499, 327975, 459165, 590355, 765275, 826497, 983925, 1377495, 2295825, 2951775, 4132485, 6887475, 20662425]

約数ペア:

[(1, 20662425), (3, 6887475), (5, 4132485), (7, 2951775), (9, 2295825), (15, 1377495), (21, 983925), (25, 826497), (27, 765275), (35, 590355), (45, 459165), (63, 327975), (75, 275499), (105, 196785), (135, 153055), (175, 118071), (189, 109325), (225, 91833), (315, 65595), (525, 39357), (675, 30611), (945, 21865), (1575, 13119), (4373, 4725)]