20194011880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5419}}^1\times {\mathrm{13309}}^1$

素因数の和:18746

約数の個数: 64

約数和(自身を含む): 51940944000

約数和(自身を除く): 31746932120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5419, 10838, 13309, 21676, 26618, 27095, 37933, 43352, 53236, 54190, 66545, 75866, 93163, 106472, 108380, 133090, 151732, 186326, 189665, 216760, 266180, 303464, 372652, 379330, 465815, 532360, 745304, 758660, 931630, 1517320, 1863260, 3726520, 72121471, 144242942, 288485884, 360607355, 504850297, 576971768, 721214710, 1009700594, 1442429420, 2019401188, 2524251485, 2884858840, 4038802376, 5048502970, 10097005940, 20194011880]

約数ペア:

[(1, 20194011880), (2, 10097005940), (4, 5048502970), (5, 4038802376), (7, 2884858840), (8, 2524251485), (10, 2019401188), (14, 1442429420), (20, 1009700594), (28, 721214710), (35, 576971768), (40, 504850297), (56, 360607355), (70, 288485884), (140, 144242942), (280, 72121471), (5419, 3726520), (10838, 1863260), (13309, 1517320), (21676, 931630), (26618, 758660), (27095, 745304), (37933, 532360), (43352, 465815), (53236, 379330), (54190, 372652), (66545, 303464), (75866, 266180), (93163, 216760), (106472, 189665), (108380, 186326), (133090, 151732)]