20413692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 56687904

約数和(自身を除く): 36274212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 823, 954, 1378, 1646, 1908, 2067, 2469, 2756, 3292, 4134, 4938, 6201, 7407, 8268, 9876, 10699, 12402, 14814, 21398, 24804, 29628, 32097, 42796, 43619, 64194, 87238, 96291, 128388, 130857, 174476, 192582, 261714, 385164, 392571, 523428, 567047, 785142, 1134094, 1570284, 1701141, 2268188, 3402282, 5103423, 6804564, 10206846, 20413692]

約数ペア:

[(1, 20413692), (2, 10206846), (3, 6804564), (4, 5103423), (6, 3402282), (9, 2268188), (12, 1701141), (13, 1570284), (18, 1134094), (26, 785142), (36, 567047), (39, 523428), (52, 392571), (53, 385164), (78, 261714), (106, 192582), (117, 174476), (156, 130857), (159, 128388), (212, 96291), (234, 87238), (318, 64194), (468, 43619), (477, 42796), (636, 32097), (689, 29628), (823, 24804), (954, 21398), (1378, 14814), (1646, 12402), (1908, 10699), (2067, 9876), (2469, 8268), (2756, 7407), (3292, 6201), (4134, 4938)]