20518470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32569}}^1$

素因数の和:32589

約数の個数: 48

約数和(自身を含む): 60971040

約数和(自身を除く): 40452570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32569, 65138, 97707, 162845, 195414, 227983, 293121, 325690, 455966, 488535, 586242, 683949, 977070, 1139915, 1367898, 1465605, 2051847, 2279830, 2931210, 3419745, 4103694, 6839490, 10259235, 20518470]

約数ペア:

[(1, 20518470), (2, 10259235), (3, 6839490), (5, 4103694), (6, 3419745), (7, 2931210), (9, 2279830), (10, 2051847), (14, 1465605), (15, 1367898), (18, 1139915), (21, 977070), (30, 683949), (35, 586242), (42, 488535), (45, 455966), (63, 325690), (70, 293121), (90, 227983), (105, 195414), (126, 162845), (210, 97707), (315, 65138), (630, 32569)]