20407881310

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{142543}}^1$

素因数の和:142792

約数の個数: 32

約数和(自身を含む): 37357931520

約数和(自身を除く): 16950050210

約数列:

[1, 2, 5, 10, 103, 139, 206, 278, 515, 695, 1030, 1390, 14317, 28634, 71585, 142543, 143170, 285086, 712715, 1425430, 14681929, 19813477, 29363858, 39626954, 73409645, 99067385, 146819290, 198134770, 2040788131, 4081576262, 10203940655, 20407881310]

約数ペア:

[(1, 20407881310), (2, 10203940655), (5, 4081576262), (10, 2040788131), (103, 198134770), (139, 146819290), (206, 99067385), (278, 73409645), (515, 39626954), (695, 29363858), (1030, 19813477), (1390, 14681929), (14317, 1425430), (28634, 712715), (71585, 285086), (142543, 143170)]