20139405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 38949120

約数和(自身を除く): 18809715

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 41, 55, 65, 123, 143, 165, 195, 205, 229, 429, 451, 533, 615, 687, 715, 1145, 1353, 1599, 2145, 2255, 2519, 2665, 2977, 3435, 5863, 6765, 7557, 7995, 8931, 9389, 12595, 14885, 17589, 28167, 29315, 32747, 37785, 44655, 46945, 87945, 98241, 103279, 122057, 140835, 163735, 309837, 366171, 491205, 516395, 610285, 1342627, 1549185, 1830855, 4027881, 6713135, 20139405]

約数ペア:

[(1, 20139405), (3, 6713135), (5, 4027881), (11, 1830855), (13, 1549185), (15, 1342627), (33, 610285), (39, 516395), (41, 491205), (55, 366171), (65, 309837), (123, 163735), (143, 140835), (165, 122057), (195, 103279), (205, 98241), (229, 87945), (429, 46945), (451, 44655), (533, 37785), (615, 32747), (687, 29315), (715, 28167), (1145, 17589), (1353, 14885), (1599, 12595), (2145, 9389), (2255, 8931), (2519, 7995), (2665, 7557), (2977, 6765), (3435, 5863)]