About the Number

20857090

20857089 ← → 20857091

2進数表記:1001111100100000100000010

漢数字表記:二千八十五万七千九十

素因数分解:

2 1 × 5 1 × 23 1 × 29 1 × 53 1 × 59 1

素因数の和:171
約数の個数: 64
約数和(自身を含む): 41990400
約数和(自身を除く): 21133310

約数列:
[1, 2, 5, 10, 23, 29, 46, 53, 58, 59, 106, 115, 118, 145, 230, 265, 290, 295, 530, 590, 667, 1219, 1334, 1357, 1537, 1711, 2438, 2714, 3074, 3127, 3335, 3422, 6095, 6254, 6670, 6785, 7685, 8555, 12190, 13570, 15370, 15635, 17110, 31270, 35351, 39353, 70702, 71921, 78706, 90683, 143842, 176755, 181366, 196765, 353510, 359605, 393530, 453415, 719210, 906830, 2085709, 4171418, 10428545, 20857090]

約数ペア:
[(1, 20857090), (2, 10428545), (5, 4171418), (10, 2085709), (23, 906830), (29, 719210), (46, 453415), (53, 393530), (58, 359605), (59, 353510), (106, 196765), (115, 181366), (118, 176755), (145, 143842), (230, 90683), (265, 78706), (290, 71921), (295, 70702), (530, 39353), (590, 35351), (667, 31270), (1219, 17110), (1334, 15635), (1357, 15370), (1537, 13570), (1711, 12190), (2438, 8555), (2714, 7685), (3074, 6785), (3127, 6670), (3335, 6254), (3422, 6095)]

このpageの処理時間: 0.08856701850891113 seconds