20428872012

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{259949}}^1$

素因数の和:260055

約数の個数: 72

約数和(自身を含む): 53934426000

約数和(自身を除く): 33505553988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 333, 354, 444, 531, 666, 708, 1062, 1332, 2124, 2183, 4366, 6549, 8732, 13098, 19647, 26196, 39294, 78588, 259949, 519898, 779847, 1039796, 1559694, 2339541, 3119388, 4679082, 9358164, 9618113, 15336991, 19236226, 28854339, 30673982, 38472452, 46010973, 57708678, 61347964, 86563017, 92021946, 115417356, 138032919, 173126034, 184043892, 276065838, 346252068, 552131676, 567468667, 1134937334, 1702406001, 2269874668, 3404812002, 5107218003, 6809624004, 10214436006, 20428872012]

約数ペア:

[(1, 20428872012), (2, 10214436006), (3, 6809624004), (4, 5107218003), (6, 3404812002), (9, 2269874668), (12, 1702406001), (18, 1134937334), (36, 567468667), (37, 552131676), (59, 346252068), (74, 276065838), (111, 184043892), (118, 173126034), (148, 138032919), (177, 115417356), (222, 92021946), (236, 86563017), (333, 61347964), (354, 57708678), (444, 46010973), (531, 38472452), (666, 30673982), (708, 28854339), (1062, 19236226), (1332, 15336991), (2124, 9618113), (2183, 9358164), (4366, 4679082), (6549, 3119388), (8732, 2339541), (13098, 1559694), (19647, 1039796), (26196, 779847), (39294, 519898), (78588, 259949)]