20778832820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{234683}}^1$

素因数の和:234944

約数の個数: 48

約数和(自身を含む): 46129487040

約数和(自身を除く): 25350654220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 233, 380, 466, 932, 1165, 2330, 4427, 4660, 8854, 17708, 22135, 44270, 88540, 234683, 469366, 938732, 1173415, 2346830, 4458977, 4693660, 8917954, 17835908, 22294885, 44589770, 54681139, 89179540, 109362278, 218724556, 273405695, 546811390, 1038941641, 1093622780, 2077883282, 4155766564, 5194708205, 10389416410, 20778832820]

約数ペア:

[(1, 20778832820), (2, 10389416410), (4, 5194708205), (5, 4155766564), (10, 2077883282), (19, 1093622780), (20, 1038941641), (38, 546811390), (76, 273405695), (95, 218724556), (190, 109362278), (233, 89179540), (380, 54681139), (466, 44589770), (932, 22294885), (1165, 17835908), (2330, 8917954), (4427, 4693660), (4660, 4458977), (8854, 2346830), (17708, 1173415), (22135, 938732), (44270, 469366), (88540, 234683)]