20200026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1947

約数の個数: 64

約数和(自身を含む): 52586496

約数和(自身を除く): 32386470

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 1901, 3542, 3802, 5313, 5703, 10626, 11406, 13307, 20911, 26614, 39921, 41822, 43723, 62733, 79842, 87446, 125466, 131169, 146377, 262338, 292754, 306061, 439131, 480953, 612122, 878262, 918183, 961906, 1442859, 1836366, 2885718, 3366671, 6733342, 10100013, 20200026]

約数ペア:

[(1, 20200026), (2, 10100013), (3, 6733342), (6, 3366671), (7, 2885718), (11, 1836366), (14, 1442859), (21, 961906), (22, 918183), (23, 878262), (33, 612122), (42, 480953), (46, 439131), (66, 306061), (69, 292754), (77, 262338), (138, 146377), (154, 131169), (161, 125466), (231, 87446), (253, 79842), (322, 62733), (462, 43723), (483, 41822), (506, 39921), (759, 26614), (966, 20911), (1518, 13307), (1771, 11406), (1901, 10626), (3542, 5703), (3802, 5313)]