20984941604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{401119}}^1$

素因数の和:401204

約数の個数: 48

約数和(自身を含む): 42454540800

約数和(自身を除く): 21469599196

約数列:

[1, 2, 4, 11, 22, 29, 41, 44, 58, 82, 116, 164, 319, 451, 638, 902, 1189, 1276, 1804, 2378, 4756, 13079, 26158, 52316, 401119, 802238, 1604476, 4412309, 8824618, 11632451, 16445879, 17649236, 23264902, 32891758, 46529804, 65783516, 127956961, 180904669, 255913922, 361809338, 476930491, 511827844, 723618676, 953860982, 1907721964, 5246235401, 10492470802, 20984941604]

約数ペア:

[(1, 20984941604), (2, 10492470802), (4, 5246235401), (11, 1907721964), (22, 953860982), (29, 723618676), (41, 511827844), (44, 476930491), (58, 361809338), (82, 255913922), (116, 180904669), (164, 127956961), (319, 65783516), (451, 46529804), (638, 32891758), (902, 23264902), (1189, 17649236), (1276, 16445879), (1804, 11632451), (2378, 8824618), (4756, 4412309), (13079, 1604476), (26158, 802238), (52316, 401119)]