20274705

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 41827968

約数和(自身を除く): 21553263

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 41, 45, 55, 81, 99, 111, 123, 135, 165, 185, 205, 243, 297, 333, 369, 405, 407, 451, 495, 555, 615, 891, 999, 1107, 1215, 1221, 1353, 1485, 1517, 1665, 1845, 2035, 2255, 2673, 2997, 3321, 3663, 4059, 4455, 4551, 4995, 5535, 6105, 6765, 7585, 8991, 9963, 10989, 12177, 13365, 13653, 14985, 16605, 16687, 18315, 20295, 22755, 32967, 36531, 40959, 44955, 49815, 50061, 54945, 60885, 68265, 83435, 98901, 109593, 122877, 150183, 164835, 182655, 204795, 250305, 368631, 450549, 494505, 547965, 614385, 750915, 1351647, 1843155, 2252745, 4054941, 6758235, 20274705]

約数ペア:

[(1, 20274705), (3, 6758235), (5, 4054941), (9, 2252745), (11, 1843155), (15, 1351647), (27, 750915), (33, 614385), (37, 547965), (41, 494505), (45, 450549), (55, 368631), (81, 250305), (99, 204795), (111, 182655), (123, 164835), (135, 150183), (165, 122877), (185, 109593), (205, 98901), (243, 83435), (297, 68265), (333, 60885), (369, 54945), (405, 50061), (407, 49815), (451, 44955), (495, 40959), (555, 36531), (615, 32967), (891, 22755), (999, 20295), (1107, 18315), (1215, 16687), (1221, 16605), (1353, 14985), (1485, 13653), (1517, 13365), (1665, 12177), (1845, 10989), (2035, 9963), (2255, 8991), (2673, 7585), (2997, 6765), (3321, 6105), (3663, 5535), (4059, 4995), (4455, 4551)]