About the Number

20936475

20936474 ← → 20936476

2進数表記:1001111110111011100011011

漢数字表記:二千九十三万六千四百七十五

素因数分解:

3 4 × 5 2 × 7 2 × 211 1

素因数の和:247
約数の個数: 90
約数和(自身を含む): 45327084
約数和(自身を除く): 24390609

約数列:
[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 211, 225, 245, 315, 405, 441, 525, 567, 633, 675, 735, 945, 1055, 1225, 1323, 1477, 1575, 1899, 2025, 2205, 2835, 3165, 3675, 3969, 4431, 4725, 5275, 5697, 6615, 7385, 9495, 10339, 11025, 13293, 14175, 15825, 17091, 19845, 22155, 28485, 31017, 33075, 36925, 39879, 47475, 51695, 66465, 85455, 93051, 99225, 110775, 119637, 142425, 155085, 199395, 258475, 279153, 332325, 427275, 465255, 598185, 775425, 837459, 996975, 1395765, 2326275, 2990925, 4187295, 6978825, 20936475]

約数ペア:
[(1, 20936475), (3, 6978825), (5, 4187295), (7, 2990925), (9, 2326275), (15, 1395765), (21, 996975), (25, 837459), (27, 775425), (35, 598185), (45, 465255), (49, 427275), (63, 332325), (75, 279153), (81, 258475), (105, 199395), (135, 155085), (147, 142425), (175, 119637), (189, 110775), (211, 99225), (225, 93051), (245, 85455), (315, 66465), (405, 51695), (441, 47475), (525, 39879), (567, 36925), (633, 33075), (675, 31017), (735, 28485), (945, 22155), (1055, 19845), (1225, 17091), (1323, 15825), (1477, 14175), (1575, 13293), (1899, 11025), (2025, 10339), (2205, 9495), (2835, 7385), (3165, 6615), (3675, 5697), (3969, 5275), (4431, 4725)]

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