20354814

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 50965200

約数和(自身を除く): 30610386

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 81, 102, 114, 153, 162, 171, 306, 323, 342, 389, 459, 513, 646, 778, 918, 969, 1026, 1167, 1377, 1539, 1938, 2334, 2754, 2907, 3078, 3501, 5814, 6613, 7002, 7391, 8721, 10503, 13226, 14782, 17442, 19839, 21006, 22173, 26163, 31509, 39678, 44346, 52326, 59517, 63018, 66519, 119034, 125647, 133038, 178551, 199557, 251294, 357102, 376941, 399114, 535653, 598671, 753882, 1071306, 1130823, 1197342, 2261646, 3392469, 6784938, 10177407, 20354814]

約数ペア:

[(1, 20354814), (2, 10177407), (3, 6784938), (6, 3392469), (9, 2261646), (17, 1197342), (18, 1130823), (19, 1071306), (27, 753882), (34, 598671), (38, 535653), (51, 399114), (54, 376941), (57, 357102), (81, 251294), (102, 199557), (114, 178551), (153, 133038), (162, 125647), (171, 119034), (306, 66519), (323, 63018), (342, 59517), (389, 52326), (459, 44346), (513, 39678), (646, 31509), (778, 26163), (918, 22173), (969, 21006), (1026, 19839), (1167, 17442), (1377, 14782), (1539, 13226), (1938, 10503), (2334, 8721), (2754, 7391), (2907, 7002), (3078, 6613), (3501, 5814)]