20194584820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{288247}}^1$

素因数の和:288400

約数の個数: 48

約数和(自身を含む): 44164205568

約数和(自身を除く): 23969620748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 2260, 3503, 7006, 14012, 17515, 35030, 70060, 288247, 576494, 1152988, 1441235, 2882470, 5764940, 8935657, 17871314, 32571911, 35742628, 44678285, 65143822, 89356570, 130287644, 162859555, 178713140, 325719110, 651438220, 1009729241, 2019458482, 4038916964, 5048646205, 10097292410, 20194584820]

約数ペア:

[(1, 20194584820), (2, 10097292410), (4, 5048646205), (5, 4038916964), (10, 2019458482), (20, 1009729241), (31, 651438220), (62, 325719110), (113, 178713140), (124, 162859555), (155, 130287644), (226, 89356570), (310, 65143822), (452, 44678285), (565, 35742628), (620, 32571911), (1130, 17871314), (2260, 8935657), (3503, 5764940), (7006, 2882470), (14012, 1441235), (17515, 1152988), (35030, 576494), (70060, 288247)]