20387610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 53239680

約数和(自身を除く): 32852070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 359, 631, 718, 1077, 1262, 1795, 1893, 2154, 3155, 3231, 3590, 3786, 5385, 5679, 6310, 6462, 9465, 10770, 11358, 16155, 18930, 28395, 32310, 56790, 226529, 453058, 679587, 1132645, 1359174, 2038761, 2265290, 3397935, 4077522, 6795870, 10193805, 20387610]

約数ペア:

[(1, 20387610), (2, 10193805), (3, 6795870), (5, 4077522), (6, 3397935), (9, 2265290), (10, 2038761), (15, 1359174), (18, 1132645), (30, 679587), (45, 453058), (90, 226529), (359, 56790), (631, 32310), (718, 28395), (1077, 18930), (1262, 16155), (1795, 11358), (1893, 10770), (2154, 9465), (3155, 6462), (3231, 6310), (3590, 5679), (3786, 5385)]