20923082900

素因数分解:

$2^2\times 5^2\times {\mathrm{11071}}^1\times {\mathrm{18899}}^1$

素因数の和:29984

約数の個数: 36

約数和(自身を含む): 45409593600

約数和(自身を除く): 24486510700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 11071, 18899, 22142, 37798, 44284, 55355, 75596, 94495, 110710, 188990, 221420, 276775, 377980, 472475, 553550, 944950, 1107100, 1889900, 209230829, 418461658, 836923316, 1046154145, 2092308290, 4184616580, 5230770725, 10461541450, 20923082900]

約数ペア:

[(1, 20923082900), (2, 10461541450), (4, 5230770725), (5, 4184616580), (10, 2092308290), (20, 1046154145), (25, 836923316), (50, 418461658), (100, 209230829), (11071, 1889900), (18899, 1107100), (22142, 944950), (37798, 553550), (44284, 472475), (55355, 377980), (75596, 276775), (94495, 221420), (110710, 188990)]