20148854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 36210240

約数和(自身を除く): 16061386

約数列:

[1, 2, 11, 19, 22, 38, 43, 59, 86, 118, 209, 361, 418, 473, 649, 722, 817, 946, 1121, 1298, 1634, 2242, 2537, 3971, 5074, 7942, 8987, 12331, 15523, 17974, 21299, 24662, 27907, 31046, 42598, 48203, 55814, 96406, 170753, 234289, 341506, 468578, 530233, 915857, 1060466, 1831714, 10074427, 20148854]

約数ペア:

[(1, 20148854), (2, 10074427), (11, 1831714), (19, 1060466), (22, 915857), (38, 530233), (43, 468578), (59, 341506), (86, 234289), (118, 170753), (209, 96406), (361, 55814), (418, 48203), (473, 42598), (649, 31046), (722, 27907), (817, 24662), (946, 21299), (1121, 17974), (1298, 15523), (1634, 12331), (2242, 8987), (2537, 7942), (3971, 5074)]