20996912184

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3326507}}^1$

素因数の和:3326779

約数の個数: 32

約数和(自身を含む): 52691886720

約数和(自身を除く): 31694974536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 3326507, 6653014, 9979521, 13306028, 19959042, 26612056, 39918084, 79836168, 874871341, 1749742682, 2624614023, 3499485364, 5249228046, 6998970728, 10498456092, 20996912184]

約数ペア:

[(1, 20996912184), (2, 10498456092), (3, 6998970728), (4, 5249228046), (6, 3499485364), (8, 2624614023), (12, 1749742682), (24, 874871341), (263, 79836168), (526, 39918084), (789, 26612056), (1052, 19959042), (1578, 13306028), (2104, 9979521), (3156, 6653014), (6312, 3326507)]