20174808890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3767}}^1\times {\mathrm{3853}}^1$

素因数の和:7766

約数の個数: 32

約数和(自身を含む): 36595117440

約数和(自身を除く): 16420308550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 3767, 3853, 7534, 7706, 18835, 19265, 37670, 38530, 523613, 535567, 1047226, 1071134, 2618065, 2677835, 5236130, 5355670, 14514251, 29028502, 72571255, 145142510, 2017480889, 4034961778, 10087404445, 20174808890]

約数ペア:

[(1, 20174808890), (2, 10087404445), (5, 4034961778), (10, 2017480889), (139, 145142510), (278, 72571255), (695, 29028502), (1390, 14514251), (3767, 5355670), (3853, 5236130), (7534, 2677835), (7706, 2618065), (18835, 1071134), (19265, 1047226), (37670, 535567), (38530, 523613)]