20550408

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 34054392

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 59, 69, 92, 118, 138, 177, 184, 236, 276, 354, 472, 552, 631, 708, 1262, 1357, 1416, 1893, 2524, 2714, 3786, 4071, 5048, 5428, 7572, 8142, 10856, 14513, 15144, 16284, 29026, 32568, 37229, 43539, 58052, 74458, 87078, 111687, 116104, 148916, 174156, 223374, 297832, 348312, 446748, 856267, 893496, 1712534, 2568801, 3425068, 5137602, 6850136, 10275204, 20550408]

約数ペア:

[(1, 20550408), (2, 10275204), (3, 6850136), (4, 5137602), (6, 3425068), (8, 2568801), (12, 1712534), (23, 893496), (24, 856267), (46, 446748), (59, 348312), (69, 297832), (92, 223374), (118, 174156), (138, 148916), (177, 116104), (184, 111687), (236, 87078), (276, 74458), (354, 58052), (472, 43539), (552, 37229), (631, 32568), (708, 29026), (1262, 16284), (1357, 15144), (1416, 14513), (1893, 10856), (2524, 8142), (2714, 7572), (3786, 5428), (4071, 5048)]