20489112

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4517}}^1$

素因数の和:4542

約数の個数: 80

約数和(自身を含む): 65601360

約数和(自身を除く): 45112248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4517, 4536, 9034, 13551, 18068, 27102, 31619, 36136, 40653, 54204, 63238, 81306, 94857, 108408, 121959, 126476, 162612, 189714, 243918, 252952, 284571, 325224, 365877, 379428, 487836, 569142, 731754, 758856, 853713, 975672, 1138284, 1463508, 1707426, 2276568, 2561139, 2927016, 3414852, 5122278, 6829704, 10244556, 20489112]

約数ペア:

[(1, 20489112), (2, 10244556), (3, 6829704), (4, 5122278), (6, 3414852), (7, 2927016), (8, 2561139), (9, 2276568), (12, 1707426), (14, 1463508), (18, 1138284), (21, 975672), (24, 853713), (27, 758856), (28, 731754), (36, 569142), (42, 487836), (54, 379428), (56, 365877), (63, 325224), (72, 284571), (81, 252952), (84, 243918), (108, 189714), (126, 162612), (162, 126476), (168, 121959), (189, 108408), (216, 94857), (252, 81306), (324, 63238), (378, 54204), (504, 40653), (567, 36136), (648, 31619), (756, 27102), (1134, 18068), (1512, 13551), (2268, 9034), (4517, 4536)]