20911814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 18424378

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 251, 502, 541, 1082, 1757, 2761, 3514, 3787, 5522, 5951, 7574, 11902, 19327, 38654, 41657, 83314, 135791, 271582, 950537, 1493701, 1901074, 2987402, 10455907, 20911814]

約数ペア:

[(1, 20911814), (2, 10455907), (7, 2987402), (11, 1901074), (14, 1493701), (22, 950537), (77, 271582), (154, 135791), (251, 83314), (502, 41657), (541, 38654), (1082, 19327), (1757, 11902), (2761, 7574), (3514, 5951), (3787, 5522)]