20827152

素因数分解:

$2^4\times 3^3\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1357

約数の個数: 80

約数和(自身を含む): 61444480

約数和(自身を除く): 40617328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 108, 111, 144, 148, 216, 222, 296, 333, 432, 444, 592, 666, 888, 999, 1303, 1332, 1776, 1998, 2606, 2664, 3909, 3996, 5212, 5328, 7818, 7992, 10424, 11727, 15636, 15984, 20848, 23454, 31272, 35181, 46908, 48211, 62544, 70362, 93816, 96422, 140724, 144633, 187632, 192844, 281448, 289266, 385688, 433899, 562896, 578532, 771376, 867798, 1157064, 1301697, 1735596, 2314128, 2603394, 3471192, 5206788, 6942384, 10413576, 20827152]

約数ペア:

[(1, 20827152), (2, 10413576), (3, 6942384), (4, 5206788), (6, 3471192), (8, 2603394), (9, 2314128), (12, 1735596), (16, 1301697), (18, 1157064), (24, 867798), (27, 771376), (36, 578532), (37, 562896), (48, 433899), (54, 385688), (72, 289266), (74, 281448), (108, 192844), (111, 187632), (144, 144633), (148, 140724), (216, 96422), (222, 93816), (296, 70362), (333, 62544), (432, 48211), (444, 46908), (592, 35181), (666, 31272), (888, 23454), (999, 20848), (1303, 15984), (1332, 15636), (1776, 11727), (1998, 10424), (2606, 7992), (2664, 7818), (3909, 5328), (3996, 5212)]