20472898

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13223102

約数列:

[1, 2, 23, 29, 46, 58, 103, 149, 206, 298, 667, 1334, 2369, 2987, 3427, 4321, 4738, 5974, 6854, 8642, 15347, 30694, 68701, 99383, 137402, 198766, 352981, 445063, 705962, 890126, 10236449, 20472898]

約数ペア:

[(1, 20472898), (2, 10236449), (23, 890126), (29, 705962), (46, 445063), (58, 352981), (103, 198766), (149, 137402), (206, 99383), (298, 68701), (667, 30694), (1334, 15347), (2369, 8642), (2987, 6854), (3427, 5974), (4321, 4738)]