20062640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 30934096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 191, 202, 208, 260, 382, 404, 505, 520, 764, 808, 955, 1010, 1040, 1313, 1528, 1616, 1910, 2020, 2483, 2626, 3056, 3820, 4040, 4966, 5252, 6565, 7640, 8080, 9932, 10504, 12415, 13130, 15280, 19291, 19864, 21008, 24830, 26260, 38582, 39728, 49660, 52520, 77164, 96455, 99320, 105040, 154328, 192910, 198640, 250783, 308656, 385820, 501566, 771640, 1003132, 1253915, 1543280, 2006264, 2507830, 4012528, 5015660, 10031320, 20062640]

約数ペア:

[(1, 20062640), (2, 10031320), (4, 5015660), (5, 4012528), (8, 2507830), (10, 2006264), (13, 1543280), (16, 1253915), (20, 1003132), (26, 771640), (40, 501566), (52, 385820), (65, 308656), (80, 250783), (101, 198640), (104, 192910), (130, 154328), (191, 105040), (202, 99320), (208, 96455), (260, 77164), (382, 52520), (404, 49660), (505, 39728), (520, 38582), (764, 26260), (808, 24830), (955, 21008), (1010, 19864), (1040, 19291), (1313, 15280), (1528, 13130), (1616, 12415), (1910, 10504), (2020, 9932), (2483, 8080), (2626, 7640), (3056, 6565), (3820, 5252), (4040, 4966)]