20123930420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{89591}}^1$

素因数の和:90632

約数の個数: 48

約数和(自身を含む): 46147764096

約数和(自身を除く): 26023833676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1021, 2042, 4084, 5105, 10210, 11231, 20420, 22462, 44924, 56155, 89591, 112310, 179182, 224620, 358364, 447955, 895910, 985501, 1791820, 1971002, 3942004, 4927505, 9855010, 19710020, 91472411, 182944822, 365889644, 457362055, 914724110, 1006196521, 1829448220, 2012393042, 4024786084, 5030982605, 10061965210, 20123930420]

約数ペア:

[(1, 20123930420), (2, 10061965210), (4, 5030982605), (5, 4024786084), (10, 2012393042), (11, 1829448220), (20, 1006196521), (22, 914724110), (44, 457362055), (55, 365889644), (110, 182944822), (220, 91472411), (1021, 19710020), (2042, 9855010), (4084, 4927505), (5105, 3942004), (10210, 1971002), (11231, 1791820), (20420, 985501), (22462, 895910), (44924, 447955), (56155, 358364), (89591, 224620), (112310, 179182)]