20018991288

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1\times {\mathrm{9239}}^1$

素因数の和:10044

約数の個数: 64

約数和(自身を含む): 50494752000

約数和(自身を除く): 30475760712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 659, 822, 1096, 1318, 1644, 1977, 2636, 3288, 3954, 5272, 7908, 9239, 15816, 18478, 27717, 36956, 55434, 73912, 90283, 110868, 180566, 221736, 270849, 361132, 541698, 722264, 1083396, 1265743, 2166792, 2531486, 3797229, 5062972, 6088501, 7594458, 10125944, 12177002, 15188916, 18265503, 24354004, 30377832, 36531006, 48708008, 73062012, 146124024, 834124637, 1668249274, 2502373911, 3336498548, 5004747822, 6672997096, 10009495644, 20018991288]

約数ペア:

[(1, 20018991288), (2, 10009495644), (3, 6672997096), (4, 5004747822), (6, 3336498548), (8, 2502373911), (12, 1668249274), (24, 834124637), (137, 146124024), (274, 73062012), (411, 48708008), (548, 36531006), (659, 30377832), (822, 24354004), (1096, 18265503), (1318, 15188916), (1644, 12177002), (1977, 10125944), (2636, 7594458), (3288, 6088501), (3954, 5062972), (5272, 3797229), (7908, 2531486), (9239, 2166792), (15816, 1265743), (18478, 1083396), (27717, 722264), (36956, 541698), (55434, 361132), (73912, 270849), (90283, 221736), (110868, 180566)]