20172059992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18958703}}^1$

素因数の和:18958735

約数の個数: 32

約数和(自身を含む): 45500889600

約数和(自身を除く): 25328829608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18958703, 37917406, 75834812, 132710921, 151669624, 265421842, 360215357, 530843684, 720430714, 1061687368, 1440861428, 2521507499, 2881722856, 5043014998, 10086029996, 20172059992]

約数ペア:

[(1, 20172059992), (2, 10086029996), (4, 5043014998), (7, 2881722856), (8, 2521507499), (14, 1440861428), (19, 1061687368), (28, 720430714), (38, 530843684), (56, 360215357), (76, 265421842), (133, 151669624), (152, 132710921), (266, 75834812), (532, 37917406), (1064, 18958703)]