27378020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22441}}^1$

素因数の和:22511

約数の個数: 24

約数和(自身を含む): 58438968

約数和(自身を除く): 31060948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22441, 44882, 89764, 112205, 224410, 448820, 1368901, 2737802, 5475604, 6844505, 13689010, 27378020]

約数ペア:

[(1, 27378020), (2, 13689010), (4, 6844505), (5, 5475604), (10, 2737802), (20, 1368901), (61, 448820), (122, 224410), (244, 112205), (305, 89764), (610, 44882), (1220, 22441)]