20380688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74929}}^1$

素因数の和:74954

約数の個数: 20

約数和(自身を含む): 41810940

約数和(自身を除く): 21430252

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74929, 149858, 299716, 599432, 1198864, 1273793, 2547586, 5095172, 10190344, 20380688]

約数ペア:

[(1, 20380688), (2, 10190344), (4, 5095172), (8, 2547586), (16, 1273793), (17, 1198864), (34, 599432), (68, 299716), (136, 149858), (272, 74929)]