20394828

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3313}}^1$

素因数の和:3348

約数の個数: 60

約数和(自身を含む): 56139160

約数和(自身を除く): 35744332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3313, 6156, 6626, 9939, 13252, 19878, 29817, 39756, 59634, 62947, 89451, 119268, 125894, 178902, 188841, 251788, 268353, 357804, 377682, 536706, 566523, 755364, 1073412, 1133046, 1699569, 2266092, 3399138, 5098707, 6798276, 10197414, 20394828]

約数ペア:

[(1, 20394828), (2, 10197414), (3, 6798276), (4, 5098707), (6, 3399138), (9, 2266092), (12, 1699569), (18, 1133046), (19, 1073412), (27, 755364), (36, 566523), (38, 536706), (54, 377682), (57, 357804), (76, 268353), (81, 251788), (108, 188841), (114, 178902), (162, 125894), (171, 119268), (228, 89451), (324, 62947), (342, 59634), (513, 39756), (684, 29817), (1026, 19878), (1539, 13252), (2052, 9939), (3078, 6626), (3313, 6156)]