20213870896

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 41223790080

約数和(自身を除く): 21009919184

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 211, 368, 422, 439, 593, 844, 878, 1186, 1688, 1756, 2372, 3376, 3512, 4744, 4853, 7024, 9488, 9706, 10097, 13639, 19412, 20194, 27278, 38824, 40388, 54556, 77648, 80776, 92629, 109112, 125123, 161552, 185258, 218224, 250246, 260327, 370516, 500492, 520654, 741032, 1000984, 1041308, 1482064, 2001968, 2082616, 2130467, 2877829, 4165232, 4260934, 5755658, 5987521, 8521868, 11511316, 11975042, 17043736, 23022632, 23950084, 34087472, 46045264, 47900168, 54928997, 95800336, 109857994, 219715988, 439431976, 878863952, 1263366931, 2526733862, 5053467724, 10106935448, 20213870896]

約数ペア:

[(1, 20213870896), (2, 10106935448), (4, 5053467724), (8, 2526733862), (16, 1263366931), (23, 878863952), (46, 439431976), (92, 219715988), (184, 109857994), (211, 95800336), (368, 54928997), (422, 47900168), (439, 46045264), (593, 34087472), (844, 23950084), (878, 23022632), (1186, 17043736), (1688, 11975042), (1756, 11511316), (2372, 8521868), (3376, 5987521), (3512, 5755658), (4744, 4260934), (4853, 4165232), (7024, 2877829), (9488, 2130467), (9706, 2082616), (10097, 2001968), (13639, 1482064), (19412, 1041308), (20194, 1000984), (27278, 741032), (38824, 520654), (40388, 500492), (54556, 370516), (77648, 260327), (80776, 250246), (92629, 218224), (109112, 185258), (125123, 161552)]