20230915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 7140605

約数列:

[1, 5, 19, 23, 47, 95, 115, 197, 235, 437, 893, 985, 1081, 2185, 3743, 4465, 4531, 5405, 9259, 18715, 20539, 22655, 46295, 86089, 102695, 175921, 212957, 430445, 879605, 1064785, 4046183, 20230915]

約数ペア:

[(1, 20230915), (5, 4046183), (19, 1064785), (23, 879605), (47, 430445), (95, 212957), (115, 175921), (197, 102695), (235, 86089), (437, 46295), (893, 22655), (985, 20539), (1081, 18715), (2185, 9259), (3743, 5405), (4465, 4531)]