20147661540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{62989}}^1$

素因数の和:64781

約数の個数: 72

約数和(自身を含む): 61149936120

約数和(自身を除く): 41002274580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1777, 3554, 5331, 7108, 8885, 10662, 15993, 17770, 21324, 26655, 31986, 35540, 53310, 62989, 63972, 79965, 106620, 125978, 159930, 188967, 251956, 314945, 319860, 377934, 566901, 629890, 755868, 944835, 1133802, 1259780, 1889670, 2267604, 2834505, 3779340, 5669010, 11338020, 111931453, 223862906, 335794359, 447725812, 559657265, 671588718, 1007383077, 1119314530, 1343177436, 1678971795, 2014766154, 2238629060, 3357943590, 4029532308, 5036915385, 6715887180, 10073830770, 20147661540]

約数ペア:

[(1, 20147661540), (2, 10073830770), (3, 6715887180), (4, 5036915385), (5, 4029532308), (6, 3357943590), (9, 2238629060), (10, 2014766154), (12, 1678971795), (15, 1343177436), (18, 1119314530), (20, 1007383077), (30, 671588718), (36, 559657265), (45, 447725812), (60, 335794359), (90, 223862906), (180, 111931453), (1777, 11338020), (3554, 5669010), (5331, 3779340), (7108, 2834505), (8885, 2267604), (10662, 1889670), (15993, 1259780), (17770, 1133802), (21324, 944835), (26655, 755868), (31986, 629890), (35540, 566901), (53310, 377934), (62989, 319860), (63972, 314945), (79965, 251956), (106620, 188967), (125978, 159930)]