20921937192010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{266555449}}^1$

素因数の和:266555670

約数の個数: 32

約数和(自身を含む): 38691056678400

約数和(自身を除く): 17769119486390

約数列:

[1, 2, 5, 10, 47, 94, 167, 235, 334, 470, 835, 1670, 7849, 15698, 39245, 78490, 266555449, 533110898, 1332777245, 2665554490, 12528106103, 25056212206, 44514759983, 62640530515, 89029519966, 125281061030, 222573799915, 445147599830, 2092193719201, 4184387438402, 10460968596005, 20921937192010]

約数ペア:

[(1, 20921937192010), (2, 10460968596005), (5, 4184387438402), (10, 2092193719201), (47, 445147599830), (94, 222573799915), (167, 125281061030), (235, 89029519966), (334, 62640530515), (470, 44514759983), (835, 25056212206), (1670, 12528106103), (7849, 2665554490), (15698, 1332777245), (39245, 533110898), (78490, 266555449)]