20199498020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{94399}}^1$

素因数の和:95244

約数の個数: 48

約数和(自身を含む): 45737932800

約数和(自身を除く): 25538434780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 823, 1646, 3292, 4115, 8230, 10699, 16460, 21398, 42796, 53495, 94399, 106990, 188798, 213980, 377596, 471995, 943990, 1227187, 1887980, 2454374, 4908748, 6135935, 12271870, 24543740, 77690377, 155380754, 310761508, 388451885, 776903770, 1009974901, 1553807540, 2019949802, 4039899604, 5049874505, 10099749010, 20199498020]

約数ペア:

[(1, 20199498020), (2, 10099749010), (4, 5049874505), (5, 4039899604), (10, 2019949802), (13, 1553807540), (20, 1009974901), (26, 776903770), (52, 388451885), (65, 310761508), (130, 155380754), (260, 77690377), (823, 24543740), (1646, 12271870), (3292, 6135935), (4115, 4908748), (8230, 2454374), (10699, 1887980), (16460, 1227187), (21398, 943990), (42796, 471995), (53495, 377596), (94399, 213980), (106990, 188798)]