20764854

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 33148746

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 31, 33, 34, 51, 62, 66, 93, 99, 102, 153, 186, 187, 198, 199, 279, 306, 341, 374, 398, 527, 558, 561, 597, 682, 1023, 1054, 1122, 1194, 1581, 1683, 1791, 2046, 2189, 3069, 3162, 3366, 3383, 3582, 4378, 4743, 5797, 6138, 6169, 6567, 6766, 9486, 10149, 11594, 12338, 13134, 17391, 18507, 19701, 20298, 30447, 34782, 37014, 37213, 39402, 52173, 55521, 60894, 67859, 74426, 104346, 104873, 111042, 111639, 135718, 203577, 209746, 223278, 314619, 334917, 407154, 610731, 629238, 669834, 943857, 1153603, 1221462, 1887714, 2307206, 3460809, 6921618, 10382427, 20764854]

約数ペア:

[(1, 20764854), (2, 10382427), (3, 6921618), (6, 3460809), (9, 2307206), (11, 1887714), (17, 1221462), (18, 1153603), (22, 943857), (31, 669834), (33, 629238), (34, 610731), (51, 407154), (62, 334917), (66, 314619), (93, 223278), (99, 209746), (102, 203577), (153, 135718), (186, 111639), (187, 111042), (198, 104873), (199, 104346), (279, 74426), (306, 67859), (341, 60894), (374, 55521), (398, 52173), (527, 39402), (558, 37213), (561, 37014), (597, 34782), (682, 30447), (1023, 20298), (1054, 19701), (1122, 18507), (1194, 17391), (1581, 13134), (1683, 12338), (1791, 11594), (2046, 10149), (2189, 9486), (3069, 6766), (3162, 6567), (3366, 6169), (3383, 6138), (3582, 5797), (4378, 4743)]