20717934012

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{107309}}^1$

素因数の和:107523

約数の個数: 72

約数和(自身を含む): 54372689280

約数和(自身を除く): 33654755268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 173, 186, 279, 346, 372, 519, 558, 692, 1038, 1116, 1557, 2076, 3114, 5363, 6228, 10726, 16089, 21452, 32178, 48267, 64356, 96534, 107309, 193068, 214618, 321927, 429236, 643854, 965781, 1287708, 1931562, 3326579, 3863124, 6653158, 9979737, 13306316, 18564457, 19959474, 29939211, 37128914, 39918948, 55693371, 59878422, 74257828, 111386742, 119756844, 167080113, 222773484, 334160226, 575498167, 668320452, 1150996334, 1726494501, 2301992668, 3452989002, 5179483503, 6905978004, 10358967006, 20717934012]

約数ペア:

[(1, 20717934012), (2, 10358967006), (3, 6905978004), (4, 5179483503), (6, 3452989002), (9, 2301992668), (12, 1726494501), (18, 1150996334), (31, 668320452), (36, 575498167), (62, 334160226), (93, 222773484), (124, 167080113), (173, 119756844), (186, 111386742), (279, 74257828), (346, 59878422), (372, 55693371), (519, 39918948), (558, 37128914), (692, 29939211), (1038, 19959474), (1116, 18564457), (1557, 13306316), (2076, 9979737), (3114, 6653158), (5363, 3863124), (6228, 3326579), (10726, 1931562), (16089, 1287708), (21452, 965781), (32178, 643854), (48267, 429236), (64356, 321927), (96534, 214618), (107309, 193068)]