20114255

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 30780000

約数和(自身を除く): 10665745

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 133, 145, 149, 203, 245, 551, 665, 745, 931, 1015, 1043, 1421, 2755, 2831, 3857, 4321, 4655, 5215, 7105, 7301, 14155, 19285, 19817, 21605, 26999, 30247, 36505, 82099, 99085, 134995, 138719, 151235, 211729, 410495, 574693, 693595, 1058645, 2873465, 4022851, 20114255]

約数ペア:

[(1, 20114255), (5, 4022851), (7, 2873465), (19, 1058645), (29, 693595), (35, 574693), (49, 410495), (95, 211729), (133, 151235), (145, 138719), (149, 134995), (203, 99085), (245, 82099), (551, 36505), (665, 30247), (745, 26999), (931, 21605), (1015, 19817), (1043, 19285), (1421, 14155), (2755, 7301), (2831, 7105), (3857, 5215), (4321, 4655)]