About the Number

20787030

20787029 ← → 20787031

2進数表記:1001111010010111101010110

漢数字表記:二千七十八万七千三十

素因数分解:

2 1 × 3 4 × 5 1 × 11 1 × 2333 1

素因数の和:2363
約数の個数: 80
約数和(自身を含む): 61001424
約数和(自身を除く): 40214394

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2333, 2970, 4455, 4666, 6999, 8910, 11665, 13998, 20997, 23330, 25663, 34995, 41994, 51326, 62991, 69990, 76989, 104985, 125982, 128315, 153978, 188973, 209970, 230967, 256630, 314955, 377946, 384945, 461934, 629910, 692901, 769890, 944865, 1154835, 1385802, 1889730, 2078703, 2309670, 3464505, 4157406, 6929010, 10393515, 20787030]

約数ペア:
[(1, 20787030), (2, 10393515), (3, 6929010), (5, 4157406), (6, 3464505), (9, 2309670), (10, 2078703), (11, 1889730), (15, 1385802), (18, 1154835), (22, 944865), (27, 769890), (30, 692901), (33, 629910), (45, 461934), (54, 384945), (55, 377946), (66, 314955), (81, 256630), (90, 230967), (99, 209970), (110, 188973), (135, 153978), (162, 128315), (165, 125982), (198, 104985), (270, 76989), (297, 69990), (330, 62991), (405, 51326), (495, 41994), (594, 34995), (810, 25663), (891, 23330), (990, 20997), (1485, 13998), (1782, 11665), (2333, 8910), (2970, 6999), (4455, 4666)]

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