20803590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2383}}^1$

素因数の和:2493

約数の個数: 48

約数和(自身を含む): 54669888

約数和(自身を除く): 33866298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2383, 2910, 4365, 4766, 7149, 8730, 11915, 14298, 21447, 23830, 35745, 42894, 71490, 107235, 214470, 231151, 462302, 693453, 1155755, 1386906, 2080359, 2311510, 3467265, 4160718, 6934530, 10401795, 20803590]

約数ペア:

[(1, 20803590), (2, 10401795), (3, 6934530), (5, 4160718), (6, 3467265), (9, 2311510), (10, 2080359), (15, 1386906), (18, 1155755), (30, 693453), (45, 462302), (90, 231151), (97, 214470), (194, 107235), (291, 71490), (485, 42894), (582, 35745), (873, 23830), (970, 21447), (1455, 14298), (1746, 11915), (2383, 8730), (2910, 7149), (4365, 4766)]