20029240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{929}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 57250800

約数和(自身を除く): 37221560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 929, 980, 1078, 1540, 1858, 1960, 2156, 2695, 3080, 3716, 4312, 4645, 5390, 6503, 7432, 9290, 10219, 10780, 13006, 18580, 20438, 21560, 26012, 32515, 37160, 40876, 45521, 51095, 52024, 65030, 71533, 81752, 91042, 102190, 130060, 143066, 182084, 204380, 227605, 260120, 286132, 357665, 364168, 408760, 455210, 500731, 572264, 715330, 910420, 1001462, 1430660, 1820840, 2002924, 2503655, 2861320, 4005848, 5007310, 10014620, 20029240]

約数ペア:

[(1, 20029240), (2, 10014620), (4, 5007310), (5, 4005848), (7, 2861320), (8, 2503655), (10, 2002924), (11, 1820840), (14, 1430660), (20, 1001462), (22, 910420), (28, 715330), (35, 572264), (40, 500731), (44, 455210), (49, 408760), (55, 364168), (56, 357665), (70, 286132), (77, 260120), (88, 227605), (98, 204380), (110, 182084), (140, 143066), (154, 130060), (196, 102190), (220, 91042), (245, 81752), (280, 71533), (308, 65030), (385, 52024), (392, 51095), (440, 45521), (490, 40876), (539, 37160), (616, 32515), (770, 26012), (929, 21560), (980, 20438), (1078, 18580), (1540, 13006), (1858, 10780), (1960, 10219), (2156, 9290), (2695, 7432), (3080, 6503), (3716, 5390), (4312, 4645)]