20830100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12253}}^1$

素因数の和:12284

約数の個数: 36

約数和(自身を含む): 47864124

約数和(自身を除く): 27034024

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12253, 24506, 49012, 61265, 122530, 208301, 245060, 306325, 416602, 612650, 833204, 1041505, 1225300, 2083010, 4166020, 5207525, 10415050, 20830100]

約数ペア:

[(1, 20830100), (2, 10415050), (4, 5207525), (5, 4166020), (10, 2083010), (17, 1225300), (20, 1041505), (25, 833204), (34, 612650), (50, 416602), (68, 306325), (85, 245060), (100, 208301), (170, 122530), (340, 61265), (425, 49012), (850, 24506), (1700, 12253)]