20750562

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4451}}^1$

素因数の和:4503

約数の個数: 48

約数和(自身を含む): 52782912

約数和(自身を除く): 32032350

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4451, 4662, 8902, 13353, 26706, 31157, 40059, 62314, 80118, 93471, 164687, 186942, 280413, 329374, 494061, 560826, 988122, 1152809, 1482183, 2305618, 2964366, 3458427, 6916854, 10375281, 20750562]

約数ペア:

[(1, 20750562), (2, 10375281), (3, 6916854), (6, 3458427), (7, 2964366), (9, 2305618), (14, 1482183), (18, 1152809), (21, 988122), (37, 560826), (42, 494061), (63, 329374), (74, 280413), (111, 186942), (126, 164687), (222, 93471), (259, 80118), (333, 62314), (518, 40059), (666, 31157), (777, 26706), (1554, 13353), (2331, 8902), (4451, 4662)]