20809464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66697}}^1$

素因数の和:66719

約数の個数: 32

約数和(自身を含む): 56026320

約数和(自身を除く): 35216856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66697, 133394, 200091, 266788, 400182, 533576, 800364, 867061, 1600728, 1734122, 2601183, 3468244, 5202366, 6936488, 10404732, 20809464]

約数ペア:

[(1, 20809464), (2, 10404732), (3, 6936488), (4, 5202366), (6, 3468244), (8, 2601183), (12, 1734122), (13, 1600728), (24, 867061), (26, 800364), (39, 533576), (52, 400182), (78, 266788), (104, 200091), (156, 133394), (312, 66697)]