20515170320

素因数分解:

$2^4\times 5^1\times {\mathrm{7001}}^1\times {\mathrm{36629}}^1$

素因数の和:43643

約数の個数: 40

約数和(自身を含む): 47705886360

約数和(自身を除く): 27190716040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7001, 14002, 28004, 35005, 36629, 56008, 70010, 73258, 112016, 140020, 146516, 183145, 280040, 293032, 366290, 560080, 586064, 732580, 1465160, 2930320, 256439629, 512879258, 1025758516, 1282198145, 2051517032, 2564396290, 4103034064, 5128792580, 10257585160, 20515170320]

約数ペア:

[(1, 20515170320), (2, 10257585160), (4, 5128792580), (5, 4103034064), (8, 2564396290), (10, 2051517032), (16, 1282198145), (20, 1025758516), (40, 512879258), (80, 256439629), (7001, 2930320), (14002, 1465160), (28004, 732580), (35005, 586064), (36629, 560080), (56008, 366290), (70010, 293032), (73258, 280040), (112016, 183145), (140020, 146516)]