20481105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13733295

約数列:

[1, 3, 5, 15, 29, 87, 145, 197, 239, 435, 591, 717, 985, 1195, 2955, 3585, 5713, 6931, 17139, 20793, 28565, 34655, 47083, 85695, 103965, 141249, 235415, 706245, 1365407, 4096221, 6827035, 20481105]

約数ペア:

[(1, 20481105), (3, 6827035), (5, 4096221), (15, 1365407), (29, 706245), (87, 235415), (145, 141249), (197, 103965), (239, 85695), (435, 47083), (591, 34655), (717, 28565), (985, 20793), (1195, 17139), (2955, 6931), (3585, 5713)]