20165659860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{635339}}^1$

素因数の和:635397

約数の個数: 72

約数和(自身を含む): 59025627360

約数和(自身を除く): 38859967500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 3174, 5290, 6348, 7935, 10580, 15870, 31740, 635339, 1270678, 1906017, 2541356, 3176695, 3812034, 6353390, 7624068, 9530085, 12706780, 14612797, 19060170, 29225594, 38120340, 43838391, 58451188, 73063985, 87676782, 146127970, 175353564, 219191955, 292255940, 336094331, 438383910, 672188662, 876767820, 1008282993, 1344377324, 1680471655, 2016565986, 3360943310, 4033131972, 5041414965, 6721886620, 10082829930, 20165659860]

約数ペア:

[(1, 20165659860), (2, 10082829930), (3, 6721886620), (4, 5041414965), (5, 4033131972), (6, 3360943310), (10, 2016565986), (12, 1680471655), (15, 1344377324), (20, 1008282993), (23, 876767820), (30, 672188662), (46, 438383910), (60, 336094331), (69, 292255940), (92, 219191955), (115, 175353564), (138, 146127970), (230, 87676782), (276, 73063985), (345, 58451188), (460, 43838391), (529, 38120340), (690, 29225594), (1058, 19060170), (1380, 14612797), (1587, 12706780), (2116, 9530085), (2645, 7624068), (3174, 6353390), (5290, 3812034), (6348, 3176695), (7935, 2541356), (10580, 1906017), (15870, 1270678), (31740, 635339)]