20558146

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 37953792

約数和(自身を除く): 17395646

約数列:

[1, 2, 7, 14, 31, 49, 62, 67, 98, 101, 134, 202, 217, 434, 469, 707, 938, 1414, 1519, 2077, 3038, 3131, 3283, 4154, 4949, 6262, 6566, 6767, 9898, 13534, 14539, 21917, 29078, 43834, 47369, 94738, 101773, 153419, 203546, 209777, 306838, 331583, 419554, 663166, 1468439, 2936878, 10279073, 20558146]

約数ペア:

[(1, 20558146), (2, 10279073), (7, 2936878), (14, 1468439), (31, 663166), (49, 419554), (62, 331583), (67, 306838), (98, 209777), (101, 203546), (134, 153419), (202, 101773), (217, 94738), (434, 47369), (469, 43834), (707, 29078), (938, 21917), (1414, 14539), (1519, 13534), (2077, 9898), (3038, 6767), (3131, 6566), (3283, 6262), (4154, 4949)]