20161853660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14411}}^1\times {\mathrm{5381}}^1$

素因数の和:19814

約数の個数: 48

約数和(自身を含む): 45608445792

約数和(自身を除く): 25446592132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5381, 10762, 14411, 21524, 26905, 28822, 53810, 57644, 69953, 72055, 107620, 139906, 144110, 187343, 279812, 288220, 349765, 374686, 699530, 749372, 936715, 1399060, 1873430, 3746860, 77545591, 155091182, 310182364, 387727955, 775455910, 1008092683, 1550911820, 2016185366, 4032370732, 5040463415, 10080926830, 20161853660]

約数ペア:

[(1, 20161853660), (2, 10080926830), (4, 5040463415), (5, 4032370732), (10, 2016185366), (13, 1550911820), (20, 1008092683), (26, 775455910), (52, 387727955), (65, 310182364), (130, 155091182), (260, 77545591), (5381, 3746860), (10762, 1873430), (14411, 1399060), (21524, 936715), (26905, 749372), (28822, 699530), (53810, 374686), (57644, 349765), (69953, 288220), (72055, 279812), (107620, 187343), (139906, 144110)]