About the Number

23911020

23911019 ← → 23911021

2進数表記:1011011001101101001101100

漢数字表記:二千三百九十一万千二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 2 × 2711 1

素因数の和:2740
約数の個数: 108
約数和(自身を含む): 84402864
約数和(自身を除く): 60491844

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, 1470, 1764, 2205, 2711, 2940, 4410, 5422, 8133, 8820, 10844, 13555, 16266, 18977, 24399, 27110, 32532, 37954, 40665, 48798, 54220, 56931, 75908, 81330, 94885, 97596, 113862, 121995, 132839, 162660, 170793, 189770, 227724, 243990, 265678, 284655, 341586, 379540, 398517, 487980, 531356, 569310, 664195, 683172, 797034, 853965, 1138620, 1195551, 1328390, 1594068, 1707930, 1992585, 2391102, 2656780, 3415860, 3985170, 4782204, 5977755, 7970340, 11955510, 23911020]

約数ペア:
[(1, 23911020), (2, 11955510), (3, 7970340), (4, 5977755), (5, 4782204), (6, 3985170), (7, 3415860), (9, 2656780), (10, 2391102), (12, 1992585), (14, 1707930), (15, 1594068), (18, 1328390), (20, 1195551), (21, 1138620), (28, 853965), (30, 797034), (35, 683172), (36, 664195), (42, 569310), (45, 531356), (49, 487980), (60, 398517), (63, 379540), (70, 341586), (84, 284655), (90, 265678), (98, 243990), (105, 227724), (126, 189770), (140, 170793), (147, 162660), (180, 132839), (196, 121995), (210, 113862), (245, 97596), (252, 94885), (294, 81330), (315, 75908), (420, 56931), (441, 54220), (490, 48798), (588, 40665), (630, 37954), (735, 32532), (882, 27110), (980, 24399), (1260, 18977), (1470, 16266), (1764, 13555), (2205, 10844), (2711, 8820), (2940, 8133), (4410, 5422)]

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