20229195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 39223296

約数和(自身を除く): 18994101

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 41, 105, 111, 123, 127, 185, 205, 259, 287, 381, 555, 615, 635, 777, 861, 889, 1295, 1435, 1517, 1905, 2667, 3885, 4305, 4445, 4551, 4699, 5207, 7585, 10619, 13335, 14097, 15621, 22755, 23495, 26035, 31857, 32893, 36449, 53095, 70485, 78105, 98679, 109347, 159285, 164465, 182245, 192659, 493395, 546735, 577977, 963295, 1348613, 2889885, 4045839, 6743065, 20229195]

約数ペア:

[(1, 20229195), (3, 6743065), (5, 4045839), (7, 2889885), (15, 1348613), (21, 963295), (35, 577977), (37, 546735), (41, 493395), (105, 192659), (111, 182245), (123, 164465), (127, 159285), (185, 109347), (205, 98679), (259, 78105), (287, 70485), (381, 53095), (555, 36449), (615, 32893), (635, 31857), (777, 26035), (861, 23495), (889, 22755), (1295, 15621), (1435, 14097), (1517, 13335), (1905, 10619), (2667, 7585), (3885, 5207), (4305, 4699), (4445, 4551)]