20764644

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 31107036

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 114, 122, 183, 228, 244, 366, 732, 1159, 1493, 2318, 2986, 3477, 4479, 4636, 5972, 6954, 8958, 13908, 17916, 28367, 56734, 85101, 91073, 113468, 170202, 182146, 273219, 340404, 364292, 546438, 1092876, 1730387, 3460774, 5191161, 6921548, 10382322, 20764644]

約数ペア:

[(1, 20764644), (2, 10382322), (3, 6921548), (4, 5191161), (6, 3460774), (12, 1730387), (19, 1092876), (38, 546438), (57, 364292), (61, 340404), (76, 273219), (114, 182146), (122, 170202), (183, 113468), (228, 91073), (244, 85101), (366, 56734), (732, 28367), (1159, 17916), (1493, 13908), (2318, 8958), (2986, 6954), (3477, 5972), (4479, 4636)]