About the Number

20430720

20430719 ← → 20430721

2進数表記:1001101111011111110000000

漢数字表記:二千四十三万七百二十

素因数分解:

2 7 × 3 2 × 5 1 × 3547 1

素因数の和:3572
約数の個数: 96
約数和(自身を含む): 70569720
約数和(自身を除く): 50139000

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3547, 5760, 7094, 10641, 14188, 17735, 21282, 28376, 31923, 35470, 42564, 53205, 56752, 63846, 70940, 85128, 106410, 113504, 127692, 141880, 159615, 170256, 212820, 227008, 255384, 283760, 319230, 340512, 425640, 454016, 510768, 567520, 638460, 681024, 851280, 1021536, 1135040, 1276920, 1362048, 1702560, 2043072, 2270080, 2553840, 3405120, 4086144, 5107680, 6810240, 10215360, 20430720]

約数ペア:
[(1, 20430720), (2, 10215360), (3, 6810240), (4, 5107680), (5, 4086144), (6, 3405120), (8, 2553840), (9, 2270080), (10, 2043072), (12, 1702560), (15, 1362048), (16, 1276920), (18, 1135040), (20, 1021536), (24, 851280), (30, 681024), (32, 638460), (36, 567520), (40, 510768), (45, 454016), (48, 425640), (60, 340512), (64, 319230), (72, 283760), (80, 255384), (90, 227008), (96, 212820), (120, 170256), (128, 159615), (144, 141880), (160, 127692), (180, 113504), (192, 106410), (240, 85128), (288, 70940), (320, 63846), (360, 56752), (384, 53205), (480, 42564), (576, 35470), (640, 31923), (720, 28376), (960, 21282), (1152, 17735), (1440, 14188), (1920, 10641), (2880, 7094), (3547, 5760)]

このpageの処理時間: 0.007055997848510742 seconds