20120305980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2057291}}^1$

素因数の和:2057466

約数の個数: 48

約数和(自身を含む): 56682509184

約数和(自身を除く): 36562203204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 2057291, 4114582, 6171873, 8229164, 10286455, 12343746, 20572910, 24687492, 30859365, 41145820, 61718730, 123437460, 335338433, 670676866, 1006015299, 1341353732, 1676692165, 2012030598, 3353384330, 4024061196, 5030076495, 6706768660, 10060152990, 20120305980]

約数ペア:

[(1, 20120305980), (2, 10060152990), (3, 6706768660), (4, 5030076495), (5, 4024061196), (6, 3353384330), (10, 2012030598), (12, 1676692165), (15, 1341353732), (20, 1006015299), (30, 670676866), (60, 335338433), (163, 123437460), (326, 61718730), (489, 41145820), (652, 30859365), (815, 24687492), (978, 20572910), (1630, 12343746), (1956, 10286455), (2445, 8229164), (3260, 6171873), (4890, 4114582), (9780, 2057291)]