20004718320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27784331}}^1$

素因数の和:27784350

約数の個数: 60

約数和(自身を含む): 67182514776

約数和(自身を除く): 47177796456

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, 27784331, 55568662, 83352993, 111137324, 138921655, 166705986, 222274648, 250058979, 277843310, 333411972, 416764965, 444549296, 500117958, 555686620, 666823944, 833529930, 1000235916, 1111373240, 1250294895, 1333647888, 1667059860, 2000471832, 2222746480, 2500589790, 3334119720, 4000943664, 5001179580, 6668239440, 10002359160, 20004718320]

約数ペア:

[(1, 20004718320), (2, 10002359160), (3, 6668239440), (4, 5001179580), (5, 4000943664), (6, 3334119720), (8, 2500589790), (9, 2222746480), (10, 2000471832), (12, 1667059860), (15, 1333647888), (16, 1250294895), (18, 1111373240), (20, 1000235916), (24, 833529930), (30, 666823944), (36, 555686620), (40, 500117958), (45, 444549296), (48, 416764965), (60, 333411972), (72, 277843310), (80, 250058979), (90, 222274648), (120, 166705986), (144, 138921655), (180, 111137324), (240, 83352993), (360, 55568662), (720, 27784331)]