20189476780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8342759}}^1$

素因数の和:8342790

約数の個数: 36

約数和(自身を含む): 46602657360

約数和(自身を除く): 26413180580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8342759, 16685518, 33371036, 41713795, 83427590, 91770349, 166855180, 183540698, 367081396, 458851745, 917703490, 1009473839, 1835406980, 2018947678, 4037895356, 5047369195, 10094738390, 20189476780]

約数ペア:

[(1, 20189476780), (2, 10094738390), (4, 5047369195), (5, 4037895356), (10, 2018947678), (11, 1835406980), (20, 1009473839), (22, 917703490), (44, 458851745), (55, 367081396), (110, 183540698), (121, 166855180), (220, 91770349), (242, 83427590), (484, 41713795), (605, 33371036), (1210, 16685518), (2420, 8342759)]