20581722

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54449}}^1$

素因数の和:54467

約数の個数: 32

約数和(自身を含む): 52272000

約数和(自身を除く): 31690278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54449, 108898, 163347, 326694, 381143, 490041, 762286, 980082, 1143429, 1470123, 2286858, 2940246, 3430287, 6860574, 10290861, 20581722]

約数ペア:

[(1, 20581722), (2, 10290861), (3, 6860574), (6, 3430287), (7, 2940246), (9, 2286858), (14, 1470123), (18, 1143429), (21, 980082), (27, 762286), (42, 490041), (54, 381143), (63, 326694), (126, 163347), (189, 108898), (378, 54449)]