20634272

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4788

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 20290528

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4639, 9278, 18556, 37112, 74224, 148448, 644821, 1289642, 2579284, 5158568, 10317136, 20634272]

約数ペア:

[(1, 20634272), (2, 10317136), (4, 5158568), (8, 2579284), (16, 1289642), (32, 644821), (139, 148448), (278, 74224), (556, 37112), (1112, 18556), (2224, 9278), (4448, 4639)]