20034880

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:611

約数の個数: 56

約数和(自身を含む): 48161448

約数和(自身を除く): 28126568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 457, 548, 685, 914, 1096, 1370, 1828, 2192, 2285, 2740, 3656, 4384, 4570, 5480, 7312, 8768, 9140, 10960, 14624, 18280, 21920, 29248, 36560, 43840, 62609, 73120, 125218, 146240, 250436, 313045, 500872, 626090, 1001744, 1252180, 2003488, 2504360, 4006976, 5008720, 10017440, 20034880]

約数ペア:

[(1, 20034880), (2, 10017440), (4, 5008720), (5, 4006976), (8, 2504360), (10, 2003488), (16, 1252180), (20, 1001744), (32, 626090), (40, 500872), (64, 313045), (80, 250436), (137, 146240), (160, 125218), (274, 73120), (320, 62609), (457, 43840), (548, 36560), (685, 29248), (914, 21920), (1096, 18280), (1370, 14624), (1828, 10960), (2192, 9140), (2285, 8768), (2740, 7312), (3656, 5480), (4384, 4570)]