20555376

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 56829696

約数和(自身を除く): 36274320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 433, 516, 552, 688, 866, 989, 1032, 1104, 1299, 1732, 1978, 2064, 2598, 2967, 3464, 3956, 5196, 5934, 6928, 7912, 9959, 10392, 11868, 15824, 18619, 19918, 20784, 23736, 29877, 37238, 39836, 47472, 55857, 59754, 74476, 79672, 111714, 119508, 148952, 159344, 223428, 239016, 297904, 428237, 446856, 478032, 856474, 893712, 1284711, 1712948, 2569422, 3425896, 5138844, 6851792, 10277688, 20555376]

約数ペア:

[(1, 20555376), (2, 10277688), (3, 6851792), (4, 5138844), (6, 3425896), (8, 2569422), (12, 1712948), (16, 1284711), (23, 893712), (24, 856474), (43, 478032), (46, 446856), (48, 428237), (69, 297904), (86, 239016), (92, 223428), (129, 159344), (138, 148952), (172, 119508), (184, 111714), (258, 79672), (276, 74476), (344, 59754), (368, 55857), (433, 47472), (516, 39836), (552, 37238), (688, 29877), (866, 23736), (989, 20784), (1032, 19918), (1104, 18619), (1299, 15824), (1732, 11868), (1978, 10392), (2064, 9959), (2598, 7912), (2967, 6928), (3464, 5934), (3956, 5196)]