20551704

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 32636136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 107, 151, 159, 212, 214, 302, 318, 321, 424, 428, 453, 604, 636, 642, 856, 906, 1208, 1272, 1284, 1812, 2568, 3624, 5671, 8003, 11342, 16006, 16157, 17013, 22684, 24009, 32012, 32314, 34026, 45368, 48018, 48471, 64024, 64628, 68052, 96036, 96942, 129256, 136104, 192072, 193884, 387768, 856321, 1712642, 2568963, 3425284, 5137926, 6850568, 10275852, 20551704]

約数ペア:

[(1, 20551704), (2, 10275852), (3, 6850568), (4, 5137926), (6, 3425284), (8, 2568963), (12, 1712642), (24, 856321), (53, 387768), (106, 193884), (107, 192072), (151, 136104), (159, 129256), (212, 96942), (214, 96036), (302, 68052), (318, 64628), (321, 64024), (424, 48471), (428, 48018), (453, 45368), (604, 34026), (636, 32314), (642, 32012), (856, 24009), (906, 22684), (1208, 17013), (1272, 16157), (1284, 16006), (1812, 11342), (2568, 8003), (3624, 5671)]