20958808932

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{769}}^1\times {\mathrm{10663}}^1$

素因数の和:11513

約数の個数: 72

約数和(自身を含む): 53800306560

約数和(自身を除く): 32841497628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 769, 852, 1278, 1538, 2307, 2556, 3076, 4614, 6921, 9228, 10663, 13842, 21326, 27684, 31989, 42652, 54599, 63978, 95967, 109198, 127956, 163797, 191934, 218396, 327594, 383868, 491391, 655188, 757073, 982782, 1514146, 1965564, 2271219, 3028292, 4542438, 6813657, 8199847, 9084876, 13627314, 16399694, 24599541, 27254628, 32799388, 49199082, 73798623, 98398164, 147597246, 295194492, 582189137, 1164378274, 1746567411, 2328756548, 3493134822, 5239702233, 6986269644, 10479404466, 20958808932]

約数ペア:

[(1, 20958808932), (2, 10479404466), (3, 6986269644), (4, 5239702233), (6, 3493134822), (9, 2328756548), (12, 1746567411), (18, 1164378274), (36, 582189137), (71, 295194492), (142, 147597246), (213, 98398164), (284, 73798623), (426, 49199082), (639, 32799388), (769, 27254628), (852, 24599541), (1278, 16399694), (1538, 13627314), (2307, 9084876), (2556, 8199847), (3076, 6813657), (4614, 4542438), (6921, 3028292), (9228, 2271219), (10663, 1965564), (13842, 1514146), (21326, 982782), (27684, 757073), (31989, 655188), (42652, 491391), (54599, 383868), (63978, 327594), (95967, 218396), (109198, 191934), (127956, 163797)]