20846648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 23217352

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 67, 76, 89, 92, 134, 152, 178, 184, 268, 356, 437, 536, 712, 874, 1273, 1541, 1691, 1748, 2047, 2546, 3082, 3382, 3496, 4094, 5092, 5963, 6164, 6764, 8188, 10184, 11926, 12328, 13528, 16376, 23852, 29279, 38893, 47704, 58558, 77786, 113297, 117116, 137149, 155572, 226594, 234232, 274298, 311144, 453188, 548596, 906376, 1097192, 2605831, 5211662, 10423324, 20846648]

約数ペア:

[(1, 20846648), (2, 10423324), (4, 5211662), (8, 2605831), (19, 1097192), (23, 906376), (38, 548596), (46, 453188), (67, 311144), (76, 274298), (89, 234232), (92, 226594), (134, 155572), (152, 137149), (178, 117116), (184, 113297), (268, 77786), (356, 58558), (437, 47704), (536, 38893), (712, 29279), (874, 23852), (1273, 16376), (1541, 13528), (1691, 12328), (1748, 11926), (2047, 10184), (2546, 8188), (3082, 6764), (3382, 6164), (3496, 5963), (4094, 5092)]