20454969670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3257}}^1\times {\mathrm{36943}}^1$

素因数の和:40224

約数の個数: 32

約数和(自身を含む): 38997790848

約数和(自身を除く): 18542821178

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3257, 6514, 16285, 32570, 36943, 55369, 73886, 110738, 184715, 276845, 369430, 553690, 628031, 1256062, 3140155, 6280310, 120323351, 240646702, 601616755, 1203233510, 2045496967, 4090993934, 10227484835, 20454969670]

約数ペア:

[(1, 20454969670), (2, 10227484835), (5, 4090993934), (10, 2045496967), (17, 1203233510), (34, 601616755), (85, 240646702), (170, 120323351), (3257, 6280310), (6514, 3140155), (16285, 1256062), (32570, 628031), (36943, 553690), (55369, 369430), (73886, 276845), (110738, 184715)]