20172649760

素因数分解:

$2^5\times 5^1\times {\mathrm{4801}}^1\times {\mathrm{26261}}^1$

素因数の和:31077

約数の個数: 48

約数和(自身を含む): 47669626872

約数和(自身を除く): 27496977112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4801, 9602, 19204, 24005, 26261, 38408, 48010, 52522, 76816, 96020, 105044, 131305, 153632, 192040, 210088, 262610, 384080, 420176, 525220, 768160, 840352, 1050440, 2100880, 4201760, 126079061, 252158122, 504316244, 630395305, 1008632488, 1260790610, 2017264976, 2521581220, 4034529952, 5043162440, 10086324880, 20172649760]

約数ペア:

[(1, 20172649760), (2, 10086324880), (4, 5043162440), (5, 4034529952), (8, 2521581220), (10, 2017264976), (16, 1260790610), (20, 1008632488), (32, 630395305), (40, 504316244), (80, 252158122), (160, 126079061), (4801, 4201760), (9602, 2100880), (19204, 1050440), (24005, 840352), (26261, 768160), (38408, 525220), (48010, 420176), (52522, 384080), (76816, 262610), (96020, 210088), (105044, 192040), (131305, 153632)]