16611420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39551}}^1$

素因数の和:39570

約数の個数: 48

約数和(自身を含む): 53157888

約数和(自身を除く): 36546468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 39551, 79102, 118653, 158204, 197755, 237306, 276857, 395510, 474612, 553714, 593265, 791020, 830571, 1107428, 1186530, 1384285, 1661142, 2373060, 2768570, 3322284, 4152855, 5537140, 8305710, 16611420]

約数ペア:

[(1, 16611420), (2, 8305710), (3, 5537140), (4, 4152855), (5, 3322284), (6, 2768570), (7, 2373060), (10, 1661142), (12, 1384285), (14, 1186530), (15, 1107428), (20, 830571), (21, 791020), (28, 593265), (30, 553714), (35, 474612), (42, 395510), (60, 276857), (70, 237306), (84, 197755), (105, 158204), (140, 118653), (210, 79102), (420, 39551)]