20162374840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{30059}}^1$

素因数の和:30520

約数の個数: 64

約数和(自身を含む): 46586988000

約数和(自身を除く): 26424613160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 409, 410, 818, 820, 1636, 1640, 2045, 3272, 4090, 8180, 16360, 16769, 30059, 33538, 60118, 67076, 83845, 120236, 134152, 150295, 167690, 240472, 300590, 335380, 601180, 670760, 1202360, 1232419, 2464838, 4929676, 6162095, 9859352, 12294131, 12324190, 24588262, 24648380, 49176524, 49296760, 61470655, 98353048, 122941310, 245882620, 491765240, 504059371, 1008118742, 2016237484, 2520296855, 4032474968, 5040593710, 10081187420, 20162374840]

約数ペア:

[(1, 20162374840), (2, 10081187420), (4, 5040593710), (5, 4032474968), (8, 2520296855), (10, 2016237484), (20, 1008118742), (40, 504059371), (41, 491765240), (82, 245882620), (164, 122941310), (205, 98353048), (328, 61470655), (409, 49296760), (410, 49176524), (818, 24648380), (820, 24588262), (1636, 12324190), (1640, 12294131), (2045, 9859352), (3272, 6162095), (4090, 4929676), (8180, 2464838), (16360, 1232419), (16769, 1202360), (30059, 670760), (33538, 601180), (60118, 335380), (67076, 300590), (83845, 240472), (120236, 167690), (134152, 150295)]