20218072

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1619}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 23327528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1619, 1784, 3122, 3238, 6244, 6476, 11333, 12488, 12952, 22666, 45332, 90664, 361037, 722074, 1444148, 2527259, 2888296, 5054518, 10109036, 20218072]

約数ペア:

[(1, 20218072), (2, 10109036), (4, 5054518), (7, 2888296), (8, 2527259), (14, 1444148), (28, 722074), (56, 361037), (223, 90664), (446, 45332), (892, 22666), (1561, 12952), (1619, 12488), (1784, 11333), (3122, 6476), (3238, 6244)]