20947572

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 57360576

約数和(自身を除く): 36413004

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, 937, 972, 1242, 1863, 1874, 2484, 2811, 3726, 3748, 5589, 5622, 7452, 8433, 11178, 11244, 16866, 21551, 22356, 25299, 33732, 43102, 50598, 64653, 75897, 86204, 101196, 129306, 151794, 193959, 227691, 258612, 303588, 387918, 455382, 581877, 775836, 910764, 1163754, 1745631, 2327508, 3491262, 5236893, 6982524, 10473786, 20947572]

約数ペア:

[(1, 20947572), (2, 10473786), (3, 6982524), (4, 5236893), (6, 3491262), (9, 2327508), (12, 1745631), (18, 1163754), (23, 910764), (27, 775836), (36, 581877), (46, 455382), (54, 387918), (69, 303588), (81, 258612), (92, 227691), (108, 193959), (138, 151794), (162, 129306), (207, 101196), (243, 86204), (276, 75897), (324, 64653), (414, 50598), (486, 43102), (621, 33732), (828, 25299), (937, 22356), (972, 21551), (1242, 16866), (1863, 11244), (1874, 11178), (2484, 8433), (2811, 7452), (3726, 5622), (3748, 5589)]