20765412

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 35843868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 809, 828, 1116, 1426, 1618, 2139, 2427, 2852, 3236, 4278, 4854, 6417, 7281, 8556, 9708, 12834, 14562, 18607, 25079, 25668, 29124, 37214, 50158, 55821, 74428, 75237, 100316, 111642, 150474, 167463, 223284, 225711, 300948, 334926, 451422, 576817, 669852, 902844, 1153634, 1730451, 2307268, 3460902, 5191353, 6921804, 10382706, 20765412]

約数ペア:

[(1, 20765412), (2, 10382706), (3, 6921804), (4, 5191353), (6, 3460902), (9, 2307268), (12, 1730451), (18, 1153634), (23, 902844), (31, 669852), (36, 576817), (46, 451422), (62, 334926), (69, 300948), (92, 225711), (93, 223284), (124, 167463), (138, 150474), (186, 111642), (207, 100316), (276, 75237), (279, 74428), (372, 55821), (414, 50158), (558, 37214), (713, 29124), (809, 25668), (828, 25079), (1116, 18607), (1426, 14562), (1618, 12834), (2139, 9708), (2427, 8556), (2852, 7281), (3236, 6417), (4278, 4854)]