20726200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9421}}^1$

素因数の和:9448

約数の個数: 48

約数和(自身を含む): 52574760

約数和(自身を除く): 31848560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9421, 18842, 37684, 47105, 75368, 94210, 103631, 188420, 207262, 235525, 376840, 414524, 471050, 518155, 829048, 942100, 1036310, 1884200, 2072620, 2590775, 4145240, 5181550, 10363100, 20726200]

約数ペア:

[(1, 20726200), (2, 10363100), (4, 5181550), (5, 4145240), (8, 2590775), (10, 2072620), (11, 1884200), (20, 1036310), (22, 942100), (25, 829048), (40, 518155), (44, 471050), (50, 414524), (55, 376840), (88, 235525), (100, 207262), (110, 188420), (200, 103631), (220, 94210), (275, 75368), (440, 47105), (550, 37684), (1100, 18842), (2200, 9421)]