20678920002

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{197699}}^1$

素因数の和:197872

約数の個数: 64

約数和(自身を含む): 49820400000

約数和(自身を除く): 29141479998

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 149, 234, 298, 351, 447, 702, 894, 1341, 1937, 2682, 3874, 4023, 5811, 8046, 11622, 17433, 34866, 52299, 104598, 197699, 395398, 593097, 1186194, 1779291, 2570087, 3558582, 5140174, 5337873, 7710261, 10675746, 15420522, 23130783, 29457151, 46261566, 58914302, 69392349, 88371453, 138784698, 176742906, 265114359, 382942963, 530228718, 765885926, 795343077, 1148828889, 1590686154, 2297657778, 3446486667, 6892973334, 10339460001, 20678920002]

約数ペア:

[(1, 20678920002), (2, 10339460001), (3, 6892973334), (6, 3446486667), (9, 2297657778), (13, 1590686154), (18, 1148828889), (26, 795343077), (27, 765885926), (39, 530228718), (54, 382942963), (78, 265114359), (117, 176742906), (149, 138784698), (234, 88371453), (298, 69392349), (351, 58914302), (447, 46261566), (702, 29457151), (894, 23130783), (1341, 15420522), (1937, 10675746), (2682, 7710261), (3874, 5337873), (4023, 5140174), (5811, 3558582), (8046, 2570087), (11622, 1779291), (17433, 1186194), (34866, 593097), (52299, 395398), (104598, 197699)]