20317024

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1$

素因数の和:7007

約数の個数: 48

約数和(自身を含む): 49236768

約数和(自身を除く): 28919744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6977, 13954, 27908, 48839, 55816, 90701, 97678, 111632, 181402, 195356, 223264, 362804, 390712, 634907, 725608, 781424, 1269814, 1451216, 1562848, 2539628, 2902432, 5079256, 10158512, 20317024]

約数ペア:

[(1, 20317024), (2, 10158512), (4, 5079256), (7, 2902432), (8, 2539628), (13, 1562848), (14, 1451216), (16, 1269814), (26, 781424), (28, 725608), (32, 634907), (52, 390712), (56, 362804), (91, 223264), (104, 195356), (112, 181402), (182, 111632), (208, 97678), (224, 90701), (364, 55816), (416, 48839), (728, 27908), (1456, 13954), (2912, 6977)]