20163256561

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1\times {\mathrm{2459}}^1$

素因数の和:3829

約数の個数: 32

約数和(自身を含む): 24636211200

約数和(自身を除く): 4472954639

約数列:

[1, 7, 29, 31, 203, 217, 899, 1303, 2459, 6293, 9121, 17213, 37787, 40393, 71311, 76229, 264509, 282751, 499177, 533603, 1171397, 2210641, 3204077, 8199779, 15474487, 22428539, 92918233, 99326387, 650427631, 695284709, 2880465223, 20163256561]

約数ペア:

[(1, 20163256561), (7, 2880465223), (29, 695284709), (31, 650427631), (203, 99326387), (217, 92918233), (899, 22428539), (1303, 15474487), (2459, 8199779), (6293, 3204077), (9121, 2210641), (17213, 1171397), (37787, 533603), (40393, 499177), (71311, 282751), (76229, 264509)]