20318881856

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{4721}}^1$

素因数の和:5492

約数の個数: 112

約数和(自身を含む): 49702638720

約数和(自身を除く): 29383756864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 739, 832, 1456, 1478, 2912, 2956, 4721, 5173, 5824, 5912, 9442, 9607, 10346, 11824, 18884, 19214, 20692, 23648, 33047, 37768, 38428, 41384, 47296, 61373, 66094, 67249, 75536, 76856, 82768, 122746, 132188, 134498, 151072, 153712, 165536, 245492, 264376, 268996, 302144, 307424, 331072, 429611, 490984, 528752, 537992, 614848, 859222, 981968, 1057504, 1075984, 1718444, 1963936, 2115008, 2151968, 3436888, 3488819, 3927872, 4303936, 6873776, 6977638, 13747552, 13955276, 24421733, 27495104, 27910552, 45354647, 48843466, 55821104, 90709294, 97686932, 111642208, 181418588, 195373864, 223284416, 317482529, 362837176, 390747728, 634965058, 725674352, 781495456, 1269930116, 1451348704, 1562990912, 2539860232, 2902697408, 5079720464, 10159440928, 20318881856]

約数ペア:

[(1, 20318881856), (2, 10159440928), (4, 5079720464), (7, 2902697408), (8, 2539860232), (13, 1562990912), (14, 1451348704), (16, 1269930116), (26, 781495456), (28, 725674352), (32, 634965058), (52, 390747728), (56, 362837176), (64, 317482529), (91, 223284416), (104, 195373864), (112, 181418588), (182, 111642208), (208, 97686932), (224, 90709294), (364, 55821104), (416, 48843466), (448, 45354647), (728, 27910552), (739, 27495104), (832, 24421733), (1456, 13955276), (1478, 13747552), (2912, 6977638), (2956, 6873776), (4721, 4303936), (5173, 3927872), (5824, 3488819), (5912, 3436888), (9442, 2151968), (9607, 2115008), (10346, 1963936), (11824, 1718444), (18884, 1075984), (19214, 1057504), (20692, 981968), (23648, 859222), (33047, 614848), (37768, 537992), (38428, 528752), (41384, 490984), (47296, 429611), (61373, 331072), (66094, 307424), (67249, 302144), (75536, 268996), (76856, 264376), (82768, 245492), (122746, 165536), (132188, 153712), (134498, 151072)]