20690964

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3067

約数の個数: 72

約数和(自身を含む): 62008128

約数和(自身を除く): 41317164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3041, 3402, 6082, 6804, 9123, 12164, 18246, 21287, 27369, 36492, 42574, 54738, 63861, 82107, 85148, 109476, 127722, 164214, 191583, 246321, 255444, 328428, 383166, 492642, 574749, 738963, 766332, 985284, 1149498, 1477926, 1724247, 2298996, 2955852, 3448494, 5172741, 6896988, 10345482, 20690964]

約数ペア:

[(1, 20690964), (2, 10345482), (3, 6896988), (4, 5172741), (6, 3448494), (7, 2955852), (9, 2298996), (12, 1724247), (14, 1477926), (18, 1149498), (21, 985284), (27, 766332), (28, 738963), (36, 574749), (42, 492642), (54, 383166), (63, 328428), (81, 255444), (84, 246321), (108, 191583), (126, 164214), (162, 127722), (189, 109476), (243, 85148), (252, 82107), (324, 63861), (378, 54738), (486, 42574), (567, 36492), (756, 27369), (972, 21287), (1134, 18246), (1701, 12164), (2268, 9123), (3041, 6804), (3402, 6082)]