20415693592

素因数分解:

$2^3\times 7^2\times {\mathrm{661}}^1\times {\mathrm{78791}}^1$

素因数の和:79472

約数の個数: 48

約数和(自身を含む): 44597059920

約数和(自身を除く): 24181366328

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 661, 1322, 2644, 4627, 5288, 9254, 18508, 32389, 37016, 64778, 78791, 129556, 157582, 259112, 315164, 551537, 630328, 1103074, 2206148, 3860759, 4412296, 7721518, 15443036, 30886072, 52080851, 104161702, 208323404, 364565957, 416646808, 729131914, 1458263828, 2551961699, 2916527656, 5103923398, 10207846796, 20415693592]

約数ペア:

[(1, 20415693592), (2, 10207846796), (4, 5103923398), (7, 2916527656), (8, 2551961699), (14, 1458263828), (28, 729131914), (49, 416646808), (56, 364565957), (98, 208323404), (196, 104161702), (392, 52080851), (661, 30886072), (1322, 15443036), (2644, 7721518), (4627, 4412296), (5288, 3860759), (9254, 2206148), (18508, 1103074), (32389, 630328), (37016, 551537), (64778, 315164), (78791, 259112), (129556, 157582)]