20651796692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149551}}^1$

素因数の和:149676

約数の個数: 48

約数和(自身を含む): 40199577600

約数和(自身を除く): 19547780908

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 79, 92, 158, 316, 437, 874, 1501, 1748, 1817, 3002, 3634, 6004, 7268, 34523, 69046, 138092, 149551, 299102, 598204, 2841469, 3439673, 5682938, 6879346, 11365876, 11814529, 13758692, 23629058, 47258116, 65353787, 130707574, 224476051, 261415148, 271734167, 448952102, 543468334, 897904204, 1086936668, 5162949173, 10325898346, 20651796692]

約数ペア:

[(1, 20651796692), (2, 10325898346), (4, 5162949173), (19, 1086936668), (23, 897904204), (38, 543468334), (46, 448952102), (76, 271734167), (79, 261415148), (92, 224476051), (158, 130707574), (316, 65353787), (437, 47258116), (874, 23629058), (1501, 13758692), (1748, 11814529), (1817, 11365876), (3002, 6879346), (3634, 5682938), (6004, 3439673), (7268, 2841469), (34523, 598204), (69046, 299102), (138092, 149551)]