20200770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 52748280

約数和(自身を除く): 32547510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 577, 778, 1154, 1167, 1731, 1945, 2334, 2885, 3462, 3501, 3890, 5193, 5770, 5835, 7002, 8655, 10386, 11670, 17310, 17505, 25965, 35010, 51930, 224453, 448906, 673359, 1122265, 1346718, 2020077, 2244530, 3366795, 4040154, 6733590, 10100385, 20200770]

約数ペア:

[(1, 20200770), (2, 10100385), (3, 6733590), (5, 4040154), (6, 3366795), (9, 2244530), (10, 2020077), (15, 1346718), (18, 1122265), (30, 673359), (45, 448906), (90, 224453), (389, 51930), (577, 35010), (778, 25965), (1154, 17505), (1167, 17310), (1731, 11670), (1945, 10386), (2334, 8655), (2885, 7002), (3462, 5835), (3501, 5770), (3890, 5193)]