20039964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3911}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 54329856

約数和(自身を除く): 34289892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 3911, 5124, 7822, 11733, 15644, 23466, 27377, 46932, 54754, 82131, 109508, 164262, 238571, 328524, 477142, 715713, 954284, 1431426, 1669997, 2862852, 3339994, 5009991, 6679988, 10019982, 20039964]

約数ペア:

[(1, 20039964), (2, 10019982), (3, 6679988), (4, 5009991), (6, 3339994), (7, 2862852), (12, 1669997), (14, 1431426), (21, 954284), (28, 715713), (42, 477142), (61, 328524), (84, 238571), (122, 164262), (183, 109508), (244, 82131), (366, 54754), (427, 46932), (732, 27377), (854, 23466), (1281, 15644), (1708, 11733), (2562, 7822), (3911, 5124)]