20724886

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4951}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 39932928

約数和(自身を除く): 19208042

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4951, 9902, 34657, 64363, 69314, 113873, 128726, 227746, 450541, 797111, 901082, 1480349, 1594222, 2960698, 10362443, 20724886]

約数ペア:

[(1, 20724886), (2, 10362443), (7, 2960698), (13, 1594222), (14, 1480349), (23, 901082), (26, 797111), (46, 450541), (91, 227746), (161, 128726), (182, 113873), (299, 69314), (322, 64363), (598, 34657), (2093, 9902), (4186, 4951)]