20803960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{22613}}^1$

素因数の和:22647

約数の個数: 32

約数和(自身を含む): 48846240

約数和(自身を除く): 28042280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 22613, 45226, 90452, 113065, 180904, 226130, 452260, 520099, 904520, 1040198, 2080396, 2600495, 4160792, 5200990, 10401980, 20803960]

約数ペア:

[(1, 20803960), (2, 10401980), (4, 5200990), (5, 4160792), (8, 2600495), (10, 2080396), (20, 1040198), (23, 904520), (40, 520099), (46, 452260), (92, 226130), (115, 180904), (184, 113065), (230, 90452), (460, 45226), (920, 22613)]