2020971590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19483}}^1$

素因数の和:19565

約数の個数: 64

約数和(自身を含む): 4242212352

約数和(自身を除く): 2221240762

約数列:

[1, 2, 5, 10, 11, 22, 23, 41, 46, 55, 82, 110, 115, 205, 230, 253, 410, 451, 506, 902, 943, 1265, 1886, 2255, 2530, 4510, 4715, 9430, 10373, 19483, 20746, 38966, 51865, 97415, 103730, 194830, 214313, 428626, 448109, 798803, 896218, 1071565, 1597606, 2143130, 2240545, 3994015, 4481090, 4929199, 7988030, 8786833, 9858398, 17573666, 18372469, 24645995, 36744938, 43934165, 49291990, 87868330, 91862345, 183724690, 202097159, 404194318, 1010485795, 2020971590]

約数ペア:

[(1, 2020971590), (2, 1010485795), (5, 404194318), (10, 202097159), (11, 183724690), (22, 91862345), (23, 87868330), (41, 49291990), (46, 43934165), (55, 36744938), (82, 24645995), (110, 18372469), (115, 17573666), (205, 9858398), (230, 8786833), (253, 7988030), (410, 4929199), (451, 4481090), (506, 3994015), (902, 2240545), (943, 2143130), (1265, 1597606), (1886, 1071565), (2255, 896218), (2530, 798803), (4510, 448109), (4715, 428626), (9430, 214313), (10373, 194830), (19483, 103730), (20746, 97415), (38966, 51865)]