20249927152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{35753}}^1$

素因数の和:36170

約数の個数: 80

約数和(自身を含む): 48413776320

約数和(自身を除く): 28163849168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 389, 728, 778, 1456, 1556, 2723, 3112, 5057, 5446, 6224, 10114, 10892, 20228, 21784, 35399, 35753, 40456, 43568, 70798, 71506, 80912, 141596, 143012, 250271, 283192, 286024, 464789, 500542, 566384, 572048, 929578, 1001084, 1859156, 2002168, 3253523, 3718312, 4004336, 6507046, 7436624, 13014092, 13907917, 26028184, 27815834, 52056368, 55631668, 97355419, 111263336, 180802921, 194710838, 222526672, 361605842, 389421676, 723211684, 778843352, 1265620447, 1446423368, 1557686704, 2531240894, 2892846736, 5062481788, 10124963576, 20249927152]

約数ペア:

[(1, 20249927152), (2, 10124963576), (4, 5062481788), (7, 2892846736), (8, 2531240894), (13, 1557686704), (14, 1446423368), (16, 1265620447), (26, 778843352), (28, 723211684), (52, 389421676), (56, 361605842), (91, 222526672), (104, 194710838), (112, 180802921), (182, 111263336), (208, 97355419), (364, 55631668), (389, 52056368), (728, 27815834), (778, 26028184), (1456, 13907917), (1556, 13014092), (2723, 7436624), (3112, 6507046), (5057, 4004336), (5446, 3718312), (6224, 3253523), (10114, 2002168), (10892, 1859156), (20228, 1001084), (21784, 929578), (35399, 572048), (35753, 566384), (40456, 500542), (43568, 464789), (70798, 286024), (71506, 283192), (80912, 250271), (141596, 143012)]