20163218157

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1\times {\mathrm{1481}}^1$

素因数の和:2338

約数の個数: 48

約数和(自身を含む): 30794774400

約数和(自身を除く): 10631556243

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 739, 801, 1481, 2047, 2217, 4443, 6141, 6651, 13329, 16997, 18423, 34063, 50991, 65771, 102189, 131809, 152973, 197313, 306567, 395427, 591939, 1094459, 1186281, 1512733, 3031607, 3283377, 4538199, 9094821, 9850131, 13614597, 25172557, 27284463, 75517671, 97406851, 226553013, 292220553, 876661659, 2240357573, 6721072719, 20163218157]

約数ペア:

[(1, 20163218157), (3, 6721072719), (9, 2240357573), (23, 876661659), (69, 292220553), (89, 226553013), (207, 97406851), (267, 75517671), (739, 27284463), (801, 25172557), (1481, 13614597), (2047, 9850131), (2217, 9094821), (4443, 4538199), (6141, 3283377), (6651, 3031607), (13329, 1512733), (16997, 1186281), (18423, 1094459), (34063, 591939), (50991, 395427), (65771, 306567), (102189, 197313), (131809, 152973)]