20961382974

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{3119}}^1\times {\mathrm{22859}}^1$

素因数の和:25997

約数の個数: 48

約数和(自身を含む): 48785068800

約数和(自身を除く): 27823685826

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 3119, 6238, 9357, 18714, 21833, 22859, 43666, 45718, 65499, 68577, 130998, 137154, 152831, 160013, 305662, 320026, 458493, 480039, 916986, 960078, 1120091, 2240182, 3360273, 6720546, 71297221, 142594442, 213891663, 427783326, 499080547, 998161094, 1497241641, 2994483282, 3493563829, 6987127658, 10480691487, 20961382974]

約数ペア:

[(1, 20961382974), (2, 10480691487), (3, 6987127658), (6, 3493563829), (7, 2994483282), (14, 1497241641), (21, 998161094), (42, 499080547), (49, 427783326), (98, 213891663), (147, 142594442), (294, 71297221), (3119, 6720546), (6238, 3360273), (9357, 2240182), (18714, 1120091), (21833, 960078), (22859, 916986), (43666, 480039), (45718, 458493), (65499, 320026), (68577, 305662), (130998, 160013), (137154, 152831)]