20199095460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{360827}}^1$

素因数の和:361153

約数の個数: 72

約数和(自身を含む): 61467771456

約数和(自身を除く): 41268675996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 3110, 3732, 4665, 5598, 6220, 9330, 11196, 13995, 18660, 27990, 55980, 360827, 721654, 1082481, 1443308, 1804135, 2164962, 3247443, 3608270, 4329924, 5412405, 6494886, 7216540, 10824810, 12989772, 16237215, 21649620, 32474430, 64948860, 112217197, 224434394, 336651591, 448868788, 561085985, 673303182, 1009954773, 1122171970, 1346606364, 1683257955, 2019909546, 2244343940, 3366515910, 4039819092, 5049773865, 6733031820, 10099547730, 20199095460]

約数ペア:

[(1, 20199095460), (2, 10099547730), (3, 6733031820), (4, 5049773865), (5, 4039819092), (6, 3366515910), (9, 2244343940), (10, 2019909546), (12, 1683257955), (15, 1346606364), (18, 1122171970), (20, 1009954773), (30, 673303182), (36, 561085985), (45, 448868788), (60, 336651591), (90, 224434394), (180, 112217197), (311, 64948860), (622, 32474430), (933, 21649620), (1244, 16237215), (1555, 12989772), (1866, 10824810), (2799, 7216540), (3110, 6494886), (3732, 5412405), (4665, 4329924), (5598, 3608270), (6220, 3247443), (9330, 2164962), (11196, 1804135), (13995, 1443308), (18660, 1082481), (27990, 721654), (55980, 360827)]