20904804

素因数分解:

$2^2\times 3^6\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 84

約数和(自身を含む): 56188944

約数和(自身を除く): 35284140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 107, 108, 134, 162, 201, 214, 243, 268, 321, 324, 402, 428, 486, 603, 642, 729, 804, 963, 972, 1206, 1284, 1458, 1809, 1926, 2412, 2889, 2916, 3618, 3852, 5427, 5778, 7169, 7236, 8667, 10854, 11556, 14338, 16281, 17334, 21507, 21708, 26001, 28676, 32562, 34668, 43014, 48843, 52002, 64521, 65124, 78003, 86028, 97686, 104004, 129042, 156006, 193563, 195372, 258084, 312012, 387126, 580689, 774252, 1161378, 1742067, 2322756, 3484134, 5226201, 6968268, 10452402, 20904804]

約数ペア:

[(1, 20904804), (2, 10452402), (3, 6968268), (4, 5226201), (6, 3484134), (9, 2322756), (12, 1742067), (18, 1161378), (27, 774252), (36, 580689), (54, 387126), (67, 312012), (81, 258084), (107, 195372), (108, 193563), (134, 156006), (162, 129042), (201, 104004), (214, 97686), (243, 86028), (268, 78003), (321, 65124), (324, 64521), (402, 52002), (428, 48843), (486, 43014), (603, 34668), (642, 32562), (729, 28676), (804, 26001), (963, 21708), (972, 21507), (1206, 17334), (1284, 16281), (1458, 14338), (1809, 11556), (1926, 10854), (2412, 8667), (2889, 7236), (2916, 7169), (3618, 5778), (3852, 5427)]