20195090475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{526943}}^1$

素因数の和:527036

約数の個数: 48

約数和(自身を含む): 38681905152

約数和(自身を除く): 18486814677

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 73, 75, 105, 175, 219, 365, 511, 525, 1095, 1533, 1825, 2555, 5475, 7665, 12775, 38325, 526943, 1580829, 2634715, 3688601, 7904145, 11065803, 13173575, 18443005, 38466839, 39520725, 55329015, 92215025, 115400517, 192334195, 269267873, 276645075, 577002585, 807803619, 961670975, 1346339365, 2885012925, 4039018095, 6731696825, 20195090475]

約数ペア:

[(1, 20195090475), (3, 6731696825), (5, 4039018095), (7, 2885012925), (15, 1346339365), (21, 961670975), (25, 807803619), (35, 577002585), (73, 276645075), (75, 269267873), (105, 192334195), (175, 115400517), (219, 92215025), (365, 55329015), (511, 39520725), (525, 38466839), (1095, 18443005), (1533, 13173575), (1825, 11065803), (2555, 7904145), (5475, 3688601), (7665, 2634715), (12775, 1580829), (38325, 526943)]