20869884

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11831}}^1$

素因数の和:11855

約数の個数: 54

約数和(自身を含む): 61372584

約数和(自身を除く): 40502700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11831, 23662, 35493, 47324, 70986, 82817, 106479, 141972, 165634, 212958, 248451, 331268, 425916, 496902, 579719, 745353, 993804, 1159438, 1490706, 1739157, 2318876, 2981412, 3478314, 5217471, 6956628, 10434942, 20869884]

約数ペア:

[(1, 20869884), (2, 10434942), (3, 6956628), (4, 5217471), (6, 3478314), (7, 2981412), (9, 2318876), (12, 1739157), (14, 1490706), (18, 1159438), (21, 993804), (28, 745353), (36, 579719), (42, 496902), (49, 425916), (63, 331268), (84, 248451), (98, 212958), (126, 165634), (147, 141972), (196, 106479), (252, 82817), (294, 70986), (441, 47324), (588, 35493), (882, 23662), (1764, 11831)]