20807934

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 28737282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 83, 94, 127, 141, 166, 249, 254, 282, 329, 381, 498, 581, 658, 762, 889, 987, 1162, 1743, 1778, 1974, 2667, 3486, 3901, 5334, 5969, 7802, 10541, 11703, 11938, 17907, 21082, 23406, 27307, 31623, 35814, 41783, 54614, 63246, 73787, 81921, 83566, 125349, 147574, 163842, 221361, 250698, 442722, 495427, 990854, 1486281, 2972562, 3467989, 6935978, 10403967, 20807934]

約数ペア:

[(1, 20807934), (2, 10403967), (3, 6935978), (6, 3467989), (7, 2972562), (14, 1486281), (21, 990854), (42, 495427), (47, 442722), (83, 250698), (94, 221361), (127, 163842), (141, 147574), (166, 125349), (249, 83566), (254, 81921), (282, 73787), (329, 63246), (381, 54614), (498, 41783), (581, 35814), (658, 31623), (762, 27307), (889, 23406), (987, 21082), (1162, 17907), (1743, 11938), (1778, 11703), (1974, 10541), (2667, 7802), (3486, 5969), (3901, 5334)]