20121635877

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1\times {\mathrm{19447}}^1$

素因数の和:21185

約数の個数: 32

約数和(自身を含む): 31739136000

約数和(自身を除く): 11617500123

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1699, 5097, 11893, 19447, 35679, 49271, 58341, 136129, 147813, 344897, 408387, 563963, 1034691, 1691889, 3947741, 11843223, 33040453, 99121359, 231283171, 693849513, 958173137, 2874519411, 6707211959, 20121635877]

約数ペア:

[(1, 20121635877), (3, 6707211959), (7, 2874519411), (21, 958173137), (29, 693849513), (87, 231283171), (203, 99121359), (609, 33040453), (1699, 11843223), (5097, 3947741), (11893, 1691889), (19447, 1034691), (35679, 563963), (49271, 408387), (58341, 344897), (136129, 147813)]