About the Number
20491390
2進数表記:1001110001010110001111110
漢数字表記:二千四十九万千三百九十
素因数分解:
素因数の和:165
約数の個数: 48
約数和(自身を含む): 40194144
約数和(自身を除く): 19702754
約数列:
[1, 2, 5, 10, 23, 41, 46, 53, 82, 106, 115, 205, 230, 265, 410, 530, 943, 1219, 1681, 1886, 2173, 2438, 3362, 4346, 4715, 6095, 8405, 9430, 10865, 12190, 16810, 21730, 38663, 49979, 77326, 89093, 99958, 178186, 193315, 249895, 386630, 445465, 499790, 890930, 2049139, 4098278, 10245695, 20491390]
約数ペア:
[(1, 20491390), (2, 10245695), (5, 4098278), (10, 2049139), (23, 890930), (41, 499790), (46, 445465), (53, 386630), (82, 249895), (106, 193315), (115, 178186), (205, 99958), (230, 89093), (265, 77326), (410, 49979), (530, 38663), (943, 21730), (1219, 16810), (1681, 12190), (1886, 10865), (2173, 9430), (2438, 8405), (3362, 6095), (4346, 4715)]このpageの処理時間: 0.004164695739746094 seconds