20872430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 40474080

約数和(自身を除く): 19601650

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2081, 4162, 5015, 10030, 10405, 20810, 35377, 70754, 122779, 176885, 245558, 353770, 613895, 1227790, 2087243, 4174486, 10436215, 20872430]

約数ペア:

[(1, 20872430), (2, 10436215), (5, 4174486), (10, 2087243), (17, 1227790), (34, 613895), (59, 353770), (85, 245558), (118, 176885), (170, 122779), (295, 70754), (590, 35377), (1003, 20810), (2006, 10405), (2081, 10030), (4162, 5015)]