20478310

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 38167200

約数和(自身を除く): 17688890

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 569, 590, 610, 1138, 2845, 3599, 5690, 7198, 17995, 33571, 34709, 35990, 67142, 69418, 167855, 173545, 335710, 347090, 2047831, 4095662, 10239155, 20478310]

約数ペア:

[(1, 20478310), (2, 10239155), (5, 4095662), (10, 2047831), (59, 347090), (61, 335710), (118, 173545), (122, 167855), (295, 69418), (305, 67142), (569, 35990), (590, 34709), (610, 33571), (1138, 17995), (2845, 7198), (3599, 5690)]