20171248680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{898897}}^1$

素因数の和:898939

約数の個数: 128

約数和(自身を含む): 69898308480

約数和(自身を除く): 49727059800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440, 898897, 1797794, 2696691, 3595588, 4494485, 5393382, 7191176, 8988970, 9887867, 10786764, 13483455, 15281249, 17977940, 19775734, 21573528, 26966910, 29663601, 30562498, 35955880, 39551468, 45843747, 49439335, 53933820, 59327202, 61124996, 76406245, 79102936, 91687494, 98878670, 107867640, 118654404, 122249992, 148318005, 152812490, 168093739, 183374988, 197757340, 229218735, 237308808, 296636010, 305624980, 336187478, 366749976, 395514680, 458437470, 504281217, 593272020, 611249960, 672374956, 840468695, 916874940, 1008562434, 1186544040, 1344749912, 1680937390, 1833749880, 2017124868, 2521406085, 3361874780, 4034249736, 5042812170, 6723749560, 10085624340, 20171248680]

約数ペア:

[(1, 20171248680), (2, 10085624340), (3, 6723749560), (4, 5042812170), (5, 4034249736), (6, 3361874780), (8, 2521406085), (10, 2017124868), (11, 1833749880), (12, 1680937390), (15, 1344749912), (17, 1186544040), (20, 1008562434), (22, 916874940), (24, 840468695), (30, 672374956), (33, 611249960), (34, 593272020), (40, 504281217), (44, 458437470), (51, 395514680), (55, 366749976), (60, 336187478), (66, 305624980), (68, 296636010), (85, 237308808), (88, 229218735), (102, 197757340), (110, 183374988), (120, 168093739), (132, 152812490), (136, 148318005), (165, 122249992), (170, 118654404), (187, 107867640), (204, 98878670), (220, 91687494), (255, 79102936), (264, 76406245), (330, 61124996), (340, 59327202), (374, 53933820), (408, 49439335), (440, 45843747), (510, 39551468), (561, 35955880), (660, 30562498), (680, 29663601), (748, 26966910), (935, 21573528), (1020, 19775734), (1122, 17977940), (1320, 15281249), (1496, 13483455), (1870, 10786764), (2040, 9887867), (2244, 8988970), (2805, 7191176), (3740, 5393382), (4488, 4494485), (5610, 3595588), (7480, 2696691), (11220, 1797794), (22440, 898897)]