20111035280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{85303}}^1$

素因数の和:85744

約数の個数: 80

約数和(自身を含む): 53565452544

約数和(自身を除く): 33454417264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 421, 560, 842, 1684, 2105, 2947, 3368, 4210, 5894, 6736, 8420, 11788, 14735, 16840, 23576, 29470, 33680, 47152, 58940, 85303, 117880, 170606, 235760, 341212, 426515, 597121, 682424, 853030, 1194242, 1364848, 1706060, 2388484, 2985605, 3412120, 4776968, 5971210, 6824240, 9553936, 11942420, 23884840, 35912563, 47769680, 71825126, 143650252, 179562815, 251387941, 287300504, 359125630, 502775882, 574601008, 718251260, 1005551764, 1256939705, 1436502520, 2011103528, 2513879410, 2873005040, 4022207056, 5027758820, 10055517640, 20111035280]

約数ペア:

[(1, 20111035280), (2, 10055517640), (4, 5027758820), (5, 4022207056), (7, 2873005040), (8, 2513879410), (10, 2011103528), (14, 1436502520), (16, 1256939705), (20, 1005551764), (28, 718251260), (35, 574601008), (40, 502775882), (56, 359125630), (70, 287300504), (80, 251387941), (112, 179562815), (140, 143650252), (280, 71825126), (421, 47769680), (560, 35912563), (842, 23884840), (1684, 11942420), (2105, 9553936), (2947, 6824240), (3368, 5971210), (4210, 4776968), (5894, 3412120), (6736, 2985605), (8420, 2388484), (11788, 1706060), (14735, 1364848), (16840, 1194242), (23576, 853030), (29470, 682424), (33680, 597121), (47152, 426515), (58940, 341212), (85303, 235760), (117880, 170606)]