20502456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65713}}^1$

素因数の和:65735

約数の個数: 32

約数和(自身を含む): 55199760

約数和(自身を除く): 34697304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65713, 131426, 197139, 262852, 394278, 525704, 788556, 854269, 1577112, 1708538, 2562807, 3417076, 5125614, 6834152, 10251228, 20502456]

約数ペア:

[(1, 20502456), (2, 10251228), (3, 6834152), (4, 5125614), (6, 3417076), (8, 2562807), (12, 1708538), (13, 1577112), (24, 854269), (26, 788556), (39, 525704), (52, 394278), (78, 262852), (104, 197139), (156, 131426), (312, 65713)]