20345325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 45330432

約数和(自身を除く): 24985107

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 271, 273, 275, 325, 385, 429, 455, 525, 715, 813, 825, 975, 1001, 1155, 1355, 1365, 1897, 1925, 2145, 2275, 2981, 3003, 3523, 3575, 4065, 5005, 5691, 5775, 6775, 6825, 8943, 9485, 10569, 10725, 14905, 15015, 17615, 20325, 20867, 24661, 25025, 28455, 38753, 44715, 47425, 52845, 62601, 73983, 74525, 75075, 88075, 104335, 116259, 123305, 142275, 193765, 223575, 264225, 271271, 313005, 369915, 521675, 581295, 616525, 813813, 968825, 1356355, 1565025, 1849575, 2906475, 4069065, 6781775, 20345325]

約数ペア:

[(1, 20345325), (3, 6781775), (5, 4069065), (7, 2906475), (11, 1849575), (13, 1565025), (15, 1356355), (21, 968825), (25, 813813), (33, 616525), (35, 581295), (39, 521675), (55, 369915), (65, 313005), (75, 271271), (77, 264225), (91, 223575), (105, 193765), (143, 142275), (165, 123305), (175, 116259), (195, 104335), (231, 88075), (271, 75075), (273, 74525), (275, 73983), (325, 62601), (385, 52845), (429, 47425), (455, 44715), (525, 38753), (715, 28455), (813, 25025), (825, 24661), (975, 20867), (1001, 20325), (1155, 17615), (1355, 15015), (1365, 14905), (1897, 10725), (1925, 10569), (2145, 9485), (2275, 8943), (2981, 6825), (3003, 6775), (3523, 5775), (3575, 5691), (4065, 5005)]