20196979640

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1\times {\mathrm{3083}}^1$

素因数の和:4116

約数の個数: 64

約数和(自身を含む): 45741888000

約数和(自身を除く): 25544908360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 823, 995, 1592, 1646, 1990, 3083, 3292, 3980, 4115, 6166, 6584, 7960, 8230, 12332, 15415, 16460, 24664, 30830, 32920, 61660, 123320, 163777, 327554, 613517, 655108, 818885, 1227034, 1310216, 1637770, 2454068, 2537309, 3067585, 3275540, 4908136, 5074618, 6135170, 6551080, 10149236, 12270340, 12686545, 20298472, 24540680, 25373090, 50746180, 101492360, 504924491, 1009848982, 2019697964, 2524622455, 4039395928, 5049244910, 10098489820, 20196979640]

約数ペア:

[(1, 20196979640), (2, 10098489820), (4, 5049244910), (5, 4039395928), (8, 2524622455), (10, 2019697964), (20, 1009848982), (40, 504924491), (199, 101492360), (398, 50746180), (796, 25373090), (823, 24540680), (995, 20298472), (1592, 12686545), (1646, 12270340), (1990, 10149236), (3083, 6551080), (3292, 6135170), (3980, 5074618), (4115, 4908136), (6166, 3275540), (6584, 3067585), (7960, 2537309), (8230, 2454068), (12332, 1637770), (15415, 1310216), (16460, 1227034), (24664, 818885), (30830, 655108), (32920, 613517), (61660, 327554), (123320, 163777)]