20120700677

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 26529043968

約数和(自身を除く): 6408343291

約数列:

[1, 7, 11, 37, 41, 77, 259, 281, 287, 407, 451, 613, 1517, 1967, 2849, 3091, 3157, 4291, 6743, 10397, 10619, 11521, 16687, 21637, 22681, 25133, 47201, 72779, 80647, 114367, 116809, 126731, 158767, 172253, 175931, 249491, 276463, 426277, 800569, 887117, 929921, 1205771, 1746437, 1894783, 1935241, 2983939, 4689047, 6373361, 6509447, 7062373, 10229131, 13263481, 32823329, 44613527, 49436611, 70106971, 71603917, 77686103, 261307801, 490748797, 543802721, 1829154607, 2874385811, 20120700677]

約数ペア:

[(1, 20120700677), (7, 2874385811), (11, 1829154607), (37, 543802721), (41, 490748797), (77, 261307801), (259, 77686103), (281, 71603917), (287, 70106971), (407, 49436611), (451, 44613527), (613, 32823329), (1517, 13263481), (1967, 10229131), (2849, 7062373), (3091, 6509447), (3157, 6373361), (4291, 4689047), (6743, 2983939), (10397, 1935241), (10619, 1894783), (11521, 1746437), (16687, 1205771), (21637, 929921), (22681, 887117), (25133, 800569), (47201, 426277), (72779, 276463), (80647, 249491), (114367, 175931), (116809, 172253), (126731, 158767)]