20168076735

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{237509}}^1$

素因数の和:237577

約数の個数: 64

約数和(自身を含む): 38989641600

約数和(自身を除く): 18821564865

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 255, 333, 459, 555, 629, 765, 999, 1665, 1887, 2295, 3145, 4995, 5661, 9435, 16983, 28305, 84915, 237509, 712527, 1187545, 2137581, 3562635, 4037653, 6412743, 8787833, 10687905, 12112959, 20188265, 26363499, 32063715, 36338877, 43939165, 60564795, 79090497, 109016631, 131817495, 149393161, 181694385, 237271491, 395452485, 448179483, 545083155, 746965805, 1186357455, 1344538449, 2240897415, 4033615347, 6722692245, 20168076735]

約数ペア:

[(1, 20168076735), (3, 6722692245), (5, 4033615347), (9, 2240897415), (15, 1344538449), (17, 1186357455), (27, 746965805), (37, 545083155), (45, 448179483), (51, 395452485), (85, 237271491), (111, 181694385), (135, 149393161), (153, 131817495), (185, 109016631), (255, 79090497), (333, 60564795), (459, 43939165), (555, 36338877), (629, 32063715), (765, 26363499), (999, 20188265), (1665, 12112959), (1887, 10687905), (2295, 8787833), (3145, 6412743), (4995, 4037653), (5661, 3562635), (9435, 2137581), (16983, 1187545), (28305, 712527), (84915, 237509)]