20680842

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 31331958

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 773, 1029, 1274, 1546, 1911, 2058, 2319, 3822, 4459, 4638, 5411, 8918, 10049, 10822, 13377, 16233, 20098, 26754, 30147, 32466, 37877, 60294, 70343, 75754, 113631, 140686, 211029, 227262, 265139, 422058, 492401, 530278, 795417, 984802, 1477203, 1590834, 2954406, 3446807, 6893614, 10340421, 20680842]

約数ペア:

[(1, 20680842), (2, 10340421), (3, 6893614), (6, 3446807), (7, 2954406), (13, 1590834), (14, 1477203), (21, 984802), (26, 795417), (39, 530278), (42, 492401), (49, 422058), (78, 265139), (91, 227262), (98, 211029), (147, 140686), (182, 113631), (273, 75754), (294, 70343), (343, 60294), (546, 37877), (637, 32466), (686, 30147), (773, 26754), (1029, 20098), (1274, 16233), (1546, 13377), (1911, 10822), (2058, 10049), (2319, 8918), (3822, 5411), (4459, 4638)]