20910660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 38057340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2339, 2980, 4470, 4678, 7017, 8940, 9356, 11695, 14034, 23390, 28068, 35085, 46780, 70170, 140340, 348511, 697022, 1045533, 1394044, 1742555, 2091066, 3485110, 4182132, 5227665, 6970220, 10455330, 20910660]

約数ペア:

[(1, 20910660), (2, 10455330), (3, 6970220), (4, 5227665), (5, 4182132), (6, 3485110), (10, 2091066), (12, 1742555), (15, 1394044), (20, 1045533), (30, 697022), (60, 348511), (149, 140340), (298, 70170), (447, 46780), (596, 35085), (745, 28068), (894, 23390), (1490, 14034), (1788, 11695), (2235, 9356), (2339, 8940), (2980, 7017), (4470, 4678)]