20377770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4219}}^1$

素因数の和:4259

約数の個数: 64

約数和(自身を含む): 58337280

約数和(自身を除く): 37959510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4219, 4830, 8438, 12657, 21095, 25314, 29533, 42190, 59066, 63285, 88599, 97037, 126570, 147665, 177198, 194074, 291111, 295330, 442995, 485185, 582222, 679259, 885990, 970370, 1358518, 1455555, 2037777, 2911110, 3396295, 4075554, 6792590, 10188885, 20377770]

約数ペア:

[(1, 20377770), (2, 10188885), (3, 6792590), (5, 4075554), (6, 3396295), (7, 2911110), (10, 2037777), (14, 1455555), (15, 1358518), (21, 970370), (23, 885990), (30, 679259), (35, 582222), (42, 485185), (46, 442995), (69, 295330), (70, 291111), (105, 194074), (115, 177198), (138, 147665), (161, 126570), (210, 97037), (230, 88599), (322, 63285), (345, 59066), (483, 42190), (690, 29533), (805, 25314), (966, 21095), (1610, 12657), (2415, 8438), (4219, 4830)]