20545588

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2539}}^1$

素因数の和:2584

約数の個数: 36

約数和(自身を含む): 43667680

約数和(自身を除く): 23122092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2539, 4046, 5078, 8092, 10156, 17773, 35546, 43163, 71092, 86326, 172652, 302141, 604282, 733771, 1208564, 1467542, 2935084, 5136397, 10272794, 20545588]

約数ペア:

[(1, 20545588), (2, 10272794), (4, 5136397), (7, 2935084), (14, 1467542), (17, 1208564), (28, 733771), (34, 604282), (68, 302141), (119, 172652), (238, 86326), (289, 71092), (476, 43163), (578, 35546), (1156, 17773), (2023, 10156), (2539, 8092), (4046, 5078)]