20160878390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8929}}^1\times {\mathrm{9817}}^1$

素因数の和:18776

約数の個数: 32

約数和(自身を含む): 37875487680

約数和(自身を除く): 17714609290

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 8929, 9817, 17858, 19634, 44645, 49085, 89290, 98170, 205367, 225791, 410734, 451582, 1026835, 1128955, 2053670, 2257910, 87655993, 175311986, 438279965, 876559930, 2016087839, 4032175678, 10080439195, 20160878390]

約数ペア:

[(1, 20160878390), (2, 10080439195), (5, 4032175678), (10, 2016087839), (23, 876559930), (46, 438279965), (115, 175311986), (230, 87655993), (8929, 2257910), (9817, 2053670), (17858, 1128955), (19634, 1026835), (44645, 451582), (49085, 410734), (89290, 225791), (98170, 205367)]