20253018

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 25469862

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 89, 97, 102, 138, 178, 194, 267, 291, 391, 534, 582, 782, 1173, 1513, 1649, 2047, 2231, 2346, 3026, 3298, 4094, 4462, 4539, 4947, 6141, 6693, 8633, 9078, 9894, 12282, 13386, 17266, 25899, 34799, 37927, 51798, 69598, 75854, 104397, 113781, 146761, 198559, 208794, 227562, 293522, 397118, 440283, 595677, 880566, 1191354, 3375503, 6751006, 10126509, 20253018]

約数ペア:

[(1, 20253018), (2, 10126509), (3, 6751006), (6, 3375503), (17, 1191354), (23, 880566), (34, 595677), (46, 440283), (51, 397118), (69, 293522), (89, 227562), (97, 208794), (102, 198559), (138, 146761), (178, 113781), (194, 104397), (267, 75854), (291, 69598), (391, 51798), (534, 37927), (582, 34799), (782, 25899), (1173, 17266), (1513, 13386), (1649, 12282), (2047, 9894), (2231, 9078), (2346, 8633), (3026, 6693), (3298, 6141), (4094, 4947), (4462, 4539)]