20521970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4969}}^1$

素因数の和:5042

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 22418830

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 4969, 9938, 24845, 34783, 49690, 69566, 173915, 293171, 347830, 586342, 1465855, 2052197, 2931710, 4104394, 10260985, 20521970]

約数ペア:

[(1, 20521970), (2, 10260985), (5, 4104394), (7, 2931710), (10, 2052197), (14, 1465855), (35, 586342), (59, 347830), (70, 293171), (118, 173915), (295, 69566), (413, 49690), (590, 34783), (826, 24845), (2065, 9938), (4130, 4969)]