20580451535

素因数分解:

$5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{398113}}^1$

素因数の和:398343

約数の個数: 24

約数和(自身を含む): 28864857456

約数和(自身を除く): 8284405921

約数列:

[1, 5, 7, 35, 49, 211, 245, 1055, 1477, 7385, 10339, 51695, 398113, 1990565, 2786791, 13933955, 19507537, 84001843, 97537685, 420009215, 588012901, 2940064505, 4116090307, 20580451535]

約数ペア:

[(1, 20580451535), (5, 4116090307), (7, 2940064505), (35, 588012901), (49, 420009215), (211, 97537685), (245, 84001843), (1055, 19507537), (1477, 13933955), (7385, 2786791), (10339, 1990565), (51695, 398113)]