20408355480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{15881}}^1\times {\mathrm{10709}}^1$

素因数の和:26604

約数の個数: 64

約数和(自身を含む): 61234639200

約数和(自身を除く): 40826283720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10709, 15881, 21418, 31762, 32127, 42836, 47643, 53545, 63524, 64254, 79405, 85672, 95286, 107090, 127048, 128508, 158810, 160635, 190572, 214180, 238215, 257016, 317620, 321270, 381144, 428360, 476430, 635240, 642540, 952860, 1285080, 1905720, 170069629, 340139258, 510208887, 680278516, 850348145, 1020417774, 1360557032, 1700696290, 2040835548, 2551044435, 3401392580, 4081671096, 5102088870, 6802785160, 10204177740, 20408355480]

約数ペア:

[(1, 20408355480), (2, 10204177740), (3, 6802785160), (4, 5102088870), (5, 4081671096), (6, 3401392580), (8, 2551044435), (10, 2040835548), (12, 1700696290), (15, 1360557032), (20, 1020417774), (24, 850348145), (30, 680278516), (40, 510208887), (60, 340139258), (120, 170069629), (10709, 1905720), (15881, 1285080), (21418, 952860), (31762, 642540), (32127, 635240), (42836, 476430), (47643, 428360), (53545, 381144), (63524, 321270), (64254, 317620), (79405, 257016), (85672, 238215), (95286, 214180), (107090, 190572), (127048, 160635), (128508, 158810)]