20011030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2609}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19452170

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2609, 3835, 5218, 7670, 13045, 26090, 33917, 67834, 153931, 169585, 307862, 339170, 769655, 1539310, 2001103, 4002206, 10005515, 20011030]

約数ペア:

[(1, 20011030), (2, 10005515), (5, 4002206), (10, 2001103), (13, 1539310), (26, 769655), (59, 339170), (65, 307862), (118, 169585), (130, 153931), (295, 67834), (590, 33917), (767, 26090), (1534, 13045), (2609, 7670), (3835, 5218)]