20154995728

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{24113}}^1$

素因数の和:24584

約数の個数: 80

約数和(自身を含む): 47363754240

約数和(自身を除く): 27208758512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 439, 476, 878, 952, 1756, 1904, 3073, 3512, 6146, 7024, 7463, 12292, 14926, 24113, 24584, 29852, 48226, 49168, 52241, 59704, 96452, 104482, 119408, 168791, 192904, 208964, 337582, 385808, 409921, 417928, 675164, 819842, 835856, 1350328, 1639684, 2700656, 2869447, 3279368, 5738894, 6558736, 10585607, 11477788, 21171214, 22955576, 42342428, 45911152, 74099249, 84684856, 148198498, 169369712, 179955319, 296396996, 359910638, 592793992, 719821276, 1185587984, 1259687233, 1439642552, 2519374466, 2879285104, 5038748932, 10077497864, 20154995728]

約数ペア:

[(1, 20154995728), (2, 10077497864), (4, 5038748932), (7, 2879285104), (8, 2519374466), (14, 1439642552), (16, 1259687233), (17, 1185587984), (28, 719821276), (34, 592793992), (56, 359910638), (68, 296396996), (112, 179955319), (119, 169369712), (136, 148198498), (238, 84684856), (272, 74099249), (439, 45911152), (476, 42342428), (878, 22955576), (952, 21171214), (1756, 11477788), (1904, 10585607), (3073, 6558736), (3512, 5738894), (6146, 3279368), (7024, 2869447), (7463, 2700656), (12292, 1639684), (14926, 1350328), (24113, 835856), (24584, 819842), (29852, 675164), (48226, 417928), (49168, 409921), (52241, 385808), (59704, 337582), (96452, 208964), (104482, 192904), (119408, 168791)]