20753018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 36892800

約数和(自身を除く): 16139782

約数列:

[1, 2, 11, 13, 22, 26, 143, 149, 286, 298, 487, 974, 1639, 1937, 3278, 3874, 5357, 6331, 10714, 12662, 21307, 42614, 69641, 72563, 139282, 145126, 798193, 943319, 1596386, 1886638, 10376509, 20753018]

約数ペア:

[(1, 20753018), (2, 10376509), (11, 1886638), (13, 1596386), (22, 943319), (26, 798193), (143, 145126), (149, 139282), (286, 72563), (298, 69641), (487, 42614), (974, 21307), (1639, 12662), (1937, 10714), (3278, 6331), (3874, 5357)]