20810052

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 56259840

約数和(自身を除く): 35449788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 558, 643, 899, 1044, 1116, 1286, 1798, 1929, 2572, 2697, 3596, 3858, 5394, 5787, 7716, 8091, 10788, 11574, 16182, 18647, 19933, 23148, 32364, 37294, 39866, 55941, 59799, 74588, 79732, 111882, 119598, 167823, 179397, 223764, 239196, 335646, 358794, 578057, 671292, 717588, 1156114, 1734171, 2312228, 3468342, 5202513, 6936684, 10405026, 20810052]

約数ペア:

[(1, 20810052), (2, 10405026), (3, 6936684), (4, 5202513), (6, 3468342), (9, 2312228), (12, 1734171), (18, 1156114), (29, 717588), (31, 671292), (36, 578057), (58, 358794), (62, 335646), (87, 239196), (93, 223764), (116, 179397), (124, 167823), (174, 119598), (186, 111882), (261, 79732), (279, 74588), (348, 59799), (372, 55941), (522, 39866), (558, 37294), (643, 32364), (899, 23148), (1044, 19933), (1116, 18647), (1286, 16182), (1798, 11574), (1929, 10788), (2572, 8091), (2697, 7716), (3596, 5787), (3858, 5394)]