20627642

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 39000960

約数和(自身を除く): 18373318

約数列:

[1, 2, 7, 14, 23, 29, 46, 47, 58, 94, 161, 203, 322, 329, 406, 658, 667, 1081, 1334, 1363, 2162, 2209, 2726, 4418, 4669, 7567, 9338, 9541, 15134, 15463, 19082, 30926, 31349, 50807, 62698, 64061, 101614, 128122, 219443, 355649, 438886, 448427, 711298, 896854, 1473403, 2946806, 10313821, 20627642]

約数ペア:

[(1, 20627642), (2, 10313821), (7, 2946806), (14, 1473403), (23, 896854), (29, 711298), (46, 448427), (47, 438886), (58, 355649), (94, 219443), (161, 128122), (203, 101614), (322, 64061), (329, 62698), (406, 50807), (658, 31349), (667, 30926), (1081, 19082), (1334, 15463), (1363, 15134), (2162, 9541), (2209, 9338), (2726, 7567), (4418, 4669)]