20558880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4759}}^1$

素因数の和:4783

約数の個数: 96

約数和(自身を含む): 71971200

約数和(自身を除く): 51412320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4759, 9518, 14277, 19036, 23795, 28554, 38072, 42831, 47590, 57108, 71385, 76144, 85662, 95180, 114216, 128493, 142770, 152288, 171324, 190360, 214155, 228432, 256986, 285540, 342648, 380720, 428310, 456864, 513972, 571080, 642465, 685296, 761440, 856620, 1027944, 1142160, 1284930, 1370592, 1713240, 2055888, 2284320, 2569860, 3426480, 4111776, 5139720, 6852960, 10279440, 20558880]

約数ペア:

[(1, 20558880), (2, 10279440), (3, 6852960), (4, 5139720), (5, 4111776), (6, 3426480), (8, 2569860), (9, 2284320), (10, 2055888), (12, 1713240), (15, 1370592), (16, 1284930), (18, 1142160), (20, 1027944), (24, 856620), (27, 761440), (30, 685296), (32, 642465), (36, 571080), (40, 513972), (45, 456864), (48, 428310), (54, 380720), (60, 342648), (72, 285540), (80, 256986), (90, 228432), (96, 214155), (108, 190360), (120, 171324), (135, 152288), (144, 142770), (160, 128493), (180, 114216), (216, 95180), (240, 85662), (270, 76144), (288, 71385), (360, 57108), (432, 47590), (480, 42831), (540, 38072), (720, 28554), (864, 23795), (1080, 19036), (1440, 14277), (2160, 9518), (4320, 4759)]