2013365720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{21247}}^1$

素因数の和:21384

約数の個数: 64

約数和(自身を含む): 4773150720

約数和(自身を除く): 2759785000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 824, 920, 1030, 2060, 2369, 4120, 4738, 9476, 11845, 18952, 21247, 23690, 42494, 47380, 84988, 94760, 106235, 169976, 212470, 424940, 488681, 849880, 977362, 1954724, 2188441, 2443405, 3909448, 4376882, 4886810, 8753764, 9773620, 10942205, 17507528, 19547240, 21884410, 43768820, 50334143, 87537640, 100668286, 201336572, 251670715, 402673144, 503341430, 1006682860, 2013365720]

約数ペア:

[(1, 2013365720), (2, 1006682860), (4, 503341430), (5, 402673144), (8, 251670715), (10, 201336572), (20, 100668286), (23, 87537640), (40, 50334143), (46, 43768820), (92, 21884410), (103, 19547240), (115, 17507528), (184, 10942205), (206, 9773620), (230, 8753764), (412, 4886810), (460, 4376882), (515, 3909448), (824, 2443405), (920, 2188441), (1030, 1954724), (2060, 977362), (2369, 849880), (4120, 488681), (4738, 424940), (9476, 212470), (11845, 169976), (18952, 106235), (21247, 94760), (23690, 84988), (42494, 47380)]