20993076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 59032064

約数和(自身を除く): 38038988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1447, 1612, 2418, 2894, 3627, 4341, 4836, 5788, 7254, 8682, 13023, 14508, 17364, 18811, 26046, 37622, 44857, 52092, 56433, 75244, 89714, 112866, 134571, 169299, 179428, 225732, 269142, 338598, 403713, 538284, 583141, 677196, 807426, 1166282, 1614852, 1749423, 2332564, 3498846, 5248269, 6997692, 10496538, 20993076]

約数ペア:

[(1, 20993076), (2, 10496538), (3, 6997692), (4, 5248269), (6, 3498846), (9, 2332564), (12, 1749423), (13, 1614852), (18, 1166282), (26, 807426), (31, 677196), (36, 583141), (39, 538284), (52, 403713), (62, 338598), (78, 269142), (93, 225732), (117, 179428), (124, 169299), (156, 134571), (186, 112866), (234, 89714), (279, 75244), (372, 56433), (403, 52092), (468, 44857), (558, 37622), (806, 26046), (1116, 18811), (1209, 17364), (1447, 14508), (1612, 13023), (2418, 8682), (2894, 7254), (3627, 5788), (4341, 4836)]