20392203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 10315509

約数列:

[1, 3, 13, 31, 39, 93, 101, 167, 303, 403, 501, 1209, 1313, 2171, 3131, 3939, 5177, 6513, 9393, 15531, 16867, 40703, 50601, 67301, 122109, 201903, 219271, 522877, 657813, 1568631, 6797401, 20392203]

約数ペア:

[(1, 20392203), (3, 6797401), (13, 1568631), (31, 657813), (39, 522877), (93, 219271), (101, 201903), (167, 122109), (303, 67301), (403, 50601), (501, 40703), (1209, 16867), (1313, 15531), (2171, 9393), (3131, 6513), (3939, 5177)]