20147796487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{162439}}^1$

素因数の和:162535

約数の個数: 32

約数和(自身を含む): 26198323200

約数和(自身を除く): 6050526713

約数列:

[1, 7, 13, 29, 47, 91, 203, 329, 377, 611, 1363, 2639, 4277, 9541, 17719, 124033, 162439, 1137073, 2111707, 4710731, 7634633, 14781949, 32975117, 53442431, 61239503, 99250229, 221404357, 428676521, 694751603, 1549830499, 2878256641, 20147796487]

約数ペア:

[(1, 20147796487), (7, 2878256641), (13, 1549830499), (29, 694751603), (47, 428676521), (91, 221404357), (203, 99250229), (329, 61239503), (377, 53442431), (611, 32975117), (1363, 14781949), (2639, 7634633), (4277, 4710731), (9541, 2111707), (17719, 1137073), (124033, 162439)]