20199830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 43476480

約数和(自身を除く): 23276650

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 67, 70, 73, 118, 134, 146, 295, 335, 365, 413, 469, 511, 590, 670, 730, 826, 938, 1022, 2065, 2345, 2555, 3953, 4130, 4307, 4690, 4891, 5110, 7906, 8614, 9782, 19765, 21535, 24455, 27671, 30149, 34237, 39530, 43070, 48910, 55342, 60298, 68474, 138355, 150745, 171185, 276710, 288569, 301490, 342370, 577138, 1442845, 2019983, 2885690, 4039966, 10099915, 20199830]

約数ペア:

[(1, 20199830), (2, 10099915), (5, 4039966), (7, 2885690), (10, 2019983), (14, 1442845), (35, 577138), (59, 342370), (67, 301490), (70, 288569), (73, 276710), (118, 171185), (134, 150745), (146, 138355), (295, 68474), (335, 60298), (365, 55342), (413, 48910), (469, 43070), (511, 39530), (590, 34237), (670, 30149), (730, 27671), (826, 24455), (938, 21535), (1022, 19765), (2065, 9782), (2345, 8614), (2555, 7906), (3953, 5110), (4130, 4891), (4307, 4690)]