About the Number

12004020

12004019 ← → 12004021

2進数表記:101101110010101010110100

漢数字表記:千二百万四千二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 2 × 1361 1

素因数の和:1390
約数の個数: 108
約数和(自身を含む): 42388164
約数和(自身を除く): 30384144

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1361, 1470, 1764, 2205, 2722, 2940, 4083, 4410, 5444, 6805, 8166, 8820, 9527, 12249, 13610, 16332, 19054, 20415, 24498, 27220, 28581, 38108, 40830, 47635, 48996, 57162, 61245, 66689, 81660, 85743, 95270, 114324, 122490, 133378, 142905, 171486, 190540, 200067, 244980, 266756, 285810, 333445, 342972, 400134, 428715, 571620, 600201, 666890, 800268, 857430, 1000335, 1200402, 1333780, 1714860, 2000670, 2400804, 3001005, 4001340, 6002010, 12004020]

約数ペア:
[(1, 12004020), (2, 6002010), (3, 4001340), (4, 3001005), (5, 2400804), (6, 2000670), (7, 1714860), (9, 1333780), (10, 1200402), (12, 1000335), (14, 857430), (15, 800268), (18, 666890), (20, 600201), (21, 571620), (28, 428715), (30, 400134), (35, 342972), (36, 333445), (42, 285810), (45, 266756), (49, 244980), (60, 200067), (63, 190540), (70, 171486), (84, 142905), (90, 133378), (98, 122490), (105, 114324), (126, 95270), (140, 85743), (147, 81660), (180, 66689), (196, 61245), (210, 57162), (245, 48996), (252, 47635), (294, 40830), (315, 38108), (420, 28581), (441, 27220), (490, 24498), (588, 20415), (630, 19054), (735, 16332), (882, 13610), (980, 12249), (1260, 9527), (1361, 8820), (1470, 8166), (1764, 6805), (2205, 5444), (2722, 4410), (2940, 4083)]

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