20121056340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4355207}}^1$

素因数の和:4355237

約数の個数: 96

約数和(自身を含む): 70240794624

約数和(自身を除く): 50119738284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 4355207, 8710414, 13065621, 17420828, 21776035, 26131242, 30486449, 43552070, 47907277, 52262484, 60972898, 65328105, 87104140, 91459347, 95814554, 121945796, 130656210, 143721831, 152432245, 182918694, 191629108, 239536385, 261312420, 287443662, 304864490, 335350939, 365837388, 457296735, 479072770, 574887324, 609728980, 670701878, 718609155, 914593470, 958145540, 1006052817, 1341403756, 1437218310, 1676754695, 1829186940, 2012105634, 2874436620, 3353509390, 4024211268, 5030264085, 6707018780, 10060528170, 20121056340]

約数ペア:

[(1, 20121056340), (2, 10060528170), (3, 6707018780), (4, 5030264085), (5, 4024211268), (6, 3353509390), (7, 2874436620), (10, 2012105634), (11, 1829186940), (12, 1676754695), (14, 1437218310), (15, 1341403756), (20, 1006052817), (21, 958145540), (22, 914593470), (28, 718609155), (30, 670701878), (33, 609728980), (35, 574887324), (42, 479072770), (44, 457296735), (55, 365837388), (60, 335350939), (66, 304864490), (70, 287443662), (77, 261312420), (84, 239536385), (105, 191629108), (110, 182918694), (132, 152432245), (140, 143721831), (154, 130656210), (165, 121945796), (210, 95814554), (220, 91459347), (231, 87104140), (308, 65328105), (330, 60972898), (385, 52262484), (420, 47907277), (462, 43552070), (660, 30486449), (770, 26131242), (924, 21776035), (1155, 17420828), (1540, 13065621), (2310, 8710414), (4620, 4355207)]