20910396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 31924932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 311, 431, 622, 862, 933, 1244, 1293, 1724, 1866, 2586, 3732, 4043, 5172, 5603, 8086, 11206, 12129, 16172, 16809, 22412, 24258, 33618, 48516, 67236, 134041, 268082, 402123, 536164, 804246, 1608492, 1742533, 3485066, 5227599, 6970132, 10455198, 20910396]

約数ペア:

[(1, 20910396), (2, 10455198), (3, 6970132), (4, 5227599), (6, 3485066), (12, 1742533), (13, 1608492), (26, 804246), (39, 536164), (52, 402123), (78, 268082), (156, 134041), (311, 67236), (431, 48516), (622, 33618), (862, 24258), (933, 22412), (1244, 16809), (1293, 16172), (1724, 12129), (1866, 11206), (2586, 8086), (3732, 5603), (4043, 5172)]