20123909892

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{900157}}^1$

素因数の和:900199

約数の個数: 72

約数和(自身を含む): 55046462016

約数和(自身を除く): 34922552124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 972, 1242, 1863, 2484, 3726, 5589, 7452, 11178, 22356, 900157, 1800314, 2700471, 3600628, 5400942, 8101413, 10801884, 16202826, 20703611, 24304239, 32405652, 41407222, 48608478, 62110833, 72912717, 82814444, 97216956, 124221666, 145825434, 186332499, 218738151, 248443332, 291650868, 372664998, 437476302, 558997497, 745329996, 874952604, 1117994994, 1676992491, 2235989988, 3353984982, 5030977473, 6707969964, 10061954946, 20123909892]

約数ペア:

[(1, 20123909892), (2, 10061954946), (3, 6707969964), (4, 5030977473), (6, 3353984982), (9, 2235989988), (12, 1676992491), (18, 1117994994), (23, 874952604), (27, 745329996), (36, 558997497), (46, 437476302), (54, 372664998), (69, 291650868), (81, 248443332), (92, 218738151), (108, 186332499), (138, 145825434), (162, 124221666), (207, 97216956), (243, 82814444), (276, 72912717), (324, 62110833), (414, 48608478), (486, 41407222), (621, 32405652), (828, 24304239), (972, 20703611), (1242, 16202826), (1863, 10801884), (2484, 8101413), (3726, 5400942), (5589, 3600628), (7452, 2700471), (11178, 1800314), (22356, 900157)]