20746170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3907}}^1$

素因数の和:3979

約数の個数: 48

約数和(自身を含む): 54868320

約数和(自身を除く): 34122150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 3907, 5310, 7814, 11721, 19535, 23442, 35163, 39070, 58605, 70326, 117210, 175815, 230513, 351630, 461026, 691539, 1152565, 1383078, 2074617, 2305130, 3457695, 4149234, 6915390, 10373085, 20746170]

約数ペア:

[(1, 20746170), (2, 10373085), (3, 6915390), (5, 4149234), (6, 3457695), (9, 2305130), (10, 2074617), (15, 1383078), (18, 1152565), (30, 691539), (45, 461026), (59, 351630), (90, 230513), (118, 175815), (177, 117210), (295, 70326), (354, 58605), (531, 39070), (590, 35163), (885, 23442), (1062, 19535), (1770, 11721), (2655, 7814), (3907, 5310)]