16900020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{93889}}^1$

素因数の和:93904

約数の個数: 36

約数和(自身を含む): 51263940

約数和(自身を除く): 34363920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 93889, 187778, 281667, 375556, 469445, 563334, 845001, 938890, 1126668, 1408335, 1690002, 1877780, 2816670, 3380004, 4225005, 5633340, 8450010, 16900020]

約数ペア:

[(1, 16900020), (2, 8450010), (3, 5633340), (4, 4225005), (5, 3380004), (6, 2816670), (9, 1877780), (10, 1690002), (12, 1408335), (15, 1126668), (18, 938890), (20, 845001), (30, 563334), (36, 469445), (45, 375556), (60, 281667), (90, 187778), (180, 93889)]