27212020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3343}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 64044288

約数和(自身を除く): 36832268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3343, 4070, 6686, 8140, 13372, 16715, 33430, 36773, 66860, 73546, 123691, 147092, 183865, 247382, 367730, 494764, 618455, 735460, 1236910, 1360601, 2473820, 2721202, 5442404, 6803005, 13606010, 27212020]

約数ペア:

[(1, 27212020), (2, 13606010), (4, 6803005), (5, 5442404), (10, 2721202), (11, 2473820), (20, 1360601), (22, 1236910), (37, 735460), (44, 618455), (55, 494764), (74, 367730), (110, 247382), (148, 183865), (185, 147092), (220, 123691), (370, 73546), (407, 66860), (740, 36773), (814, 33430), (1628, 16715), (2035, 13372), (3343, 8140), (4070, 6686)]