20394700081

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{10597}}^1$

素因数の和:10830

約数の個数: 32

約数和(自身を含む): 24689100800

約数和(自身を除く): 4294400719

約数列:

[1, 7, 31, 49, 181, 217, 343, 1267, 1519, 5611, 8869, 10597, 10633, 39277, 62083, 74179, 274939, 328507, 519253, 1918057, 1924573, 2299549, 3634771, 13426399, 16096843, 59459767, 93984793, 112677901, 416218369, 657893551, 2913528583, 20394700081]

約数ペア:

[(1, 20394700081), (7, 2913528583), (31, 657893551), (49, 416218369), (181, 112677901), (217, 93984793), (343, 59459767), (1267, 16096843), (1519, 13426399), (5611, 3634771), (8869, 2299549), (10597, 1924573), (10633, 1918057), (39277, 519253), (62083, 328507), (74179, 274939)]