20669572

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9587}}^1$

素因数の和:9616

約数の個数: 36

約数和(自身を含む): 45907344

約数和(自身を除く): 25237772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9587, 19174, 38348, 67109, 105457, 134218, 210914, 268436, 421828, 469763, 738199, 939526, 1476398, 1879052, 2952796, 5167393, 10334786, 20669572]

約数ペア:

[(1, 20669572), (2, 10334786), (4, 5167393), (7, 2952796), (11, 1879052), (14, 1476398), (22, 939526), (28, 738199), (44, 469763), (49, 421828), (77, 268436), (98, 210914), (154, 134218), (196, 105457), (308, 67109), (539, 38348), (1078, 19174), (2156, 9587)]