20951567672

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19691323}}^1$

素因数の和:19691355

約数の個数: 32

約数和(自身を含む): 47259177600

約数和(自身を除く): 26307609928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19691323, 39382646, 78765292, 137839261, 157530584, 275678522, 374135137, 551357044, 748270274, 1102714088, 1496540548, 2618945959, 2993081096, 5237891918, 10475783836, 20951567672]

約数ペア:

[(1, 20951567672), (2, 10475783836), (4, 5237891918), (7, 2993081096), (8, 2618945959), (14, 1496540548), (19, 1102714088), (28, 748270274), (38, 551357044), (56, 374135137), (76, 275678522), (133, 157530584), (152, 137839261), (266, 78765292), (532, 39382646), (1064, 19691323)]