20505014728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1\times {\mathrm{8179}}^1$

素因数の和:9146

約数の個数: 64

約数和(自身を含む): 43347456000

約数和(自身を除く): 22842441272

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 919, 1364, 1838, 2728, 3676, 7352, 8179, 10109, 16358, 20218, 28489, 32716, 40436, 56978, 65432, 80872, 89969, 113956, 179938, 227912, 253549, 313379, 359876, 507098, 626758, 719752, 1014196, 1253516, 2028392, 2507032, 2789039, 5578078, 7516501, 11156156, 15033002, 22312312, 30066004, 60132008, 82681511, 165363022, 233011531, 330726044, 466023062, 661452088, 932046124, 1864092248, 2563126841, 5126253682, 10252507364, 20505014728]

約数ペア:

[(1, 20505014728), (2, 10252507364), (4, 5126253682), (8, 2563126841), (11, 1864092248), (22, 932046124), (31, 661452088), (44, 466023062), (62, 330726044), (88, 233011531), (124, 165363022), (248, 82681511), (341, 60132008), (682, 30066004), (919, 22312312), (1364, 15033002), (1838, 11156156), (2728, 7516501), (3676, 5578078), (7352, 2789039), (8179, 2507032), (10109, 2028392), (16358, 1253516), (20218, 1014196), (28489, 719752), (32716, 626758), (40436, 507098), (56978, 359876), (65432, 313379), (80872, 253549), (89969, 227912), (113956, 179938)]