20471443920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28432561}}^1$

素因数の和:28432580

約数の個数: 60

約数和(自身を含む): 68749934916

約数和(自身を除く): 48278490996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28432561, 56865122, 85297683, 113730244, 142162805, 170595366, 227460488, 255893049, 284325610, 341190732, 426488415, 454920976, 511786098, 568651220, 682381464, 852976830, 1023572196, 1137302440, 1279465245, 1364762928, 1705953660, 2047144392, 2274604880, 2558930490, 3411907320, 4094288784, 5117860980, 6823814640, 10235721960, 20471443920]

約数ペア:

[(1, 20471443920), (2, 10235721960), (3, 6823814640), (4, 5117860980), (5, 4094288784), (6, 3411907320), (8, 2558930490), (9, 2274604880), (10, 2047144392), (12, 1705953660), (15, 1364762928), (16, 1279465245), (18, 1137302440), (20, 1023572196), (24, 852976830), (30, 682381464), (36, 568651220), (40, 511786098), (45, 454920976), (48, 426488415), (60, 341190732), (72, 284325610), (80, 255893049), (90, 227460488), (120, 170595366), (144, 142162805), (180, 113730244), (240, 85297683), (360, 56865122), (720, 28432561)]