20465584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2977

約数の個数: 40

約数和(自身を含む): 43568640

約数和(自身を除く): 23103056

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2927, 3496, 5854, 6992, 11708, 23416, 46832, 55613, 67321, 111226, 134642, 222452, 269284, 444904, 538568, 889808, 1077136, 1279099, 2558198, 5116396, 10232792, 20465584]

約数ペア:

[(1, 20465584), (2, 10232792), (4, 5116396), (8, 2558198), (16, 1279099), (19, 1077136), (23, 889808), (38, 538568), (46, 444904), (76, 269284), (92, 222452), (152, 134642), (184, 111226), (304, 67321), (368, 55613), (437, 46832), (874, 23416), (1748, 11708), (2927, 6992), (3496, 5854)]