20689560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19157}}^1$

素因数の和:19177

約数の個数: 64

約数和(自身を含む): 68968800

約数和(自身を除く): 48279240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19157, 38314, 57471, 76628, 95785, 114942, 153256, 172413, 191570, 229884, 287355, 344826, 383140, 459768, 517239, 574710, 689652, 766280, 862065, 1034478, 1149420, 1379304, 1724130, 2068956, 2298840, 2586195, 3448260, 4137912, 5172390, 6896520, 10344780, 20689560]

約数ペア:

[(1, 20689560), (2, 10344780), (3, 6896520), (4, 5172390), (5, 4137912), (6, 3448260), (8, 2586195), (9, 2298840), (10, 2068956), (12, 1724130), (15, 1379304), (18, 1149420), (20, 1034478), (24, 862065), (27, 766280), (30, 689652), (36, 574710), (40, 517239), (45, 459768), (54, 383140), (60, 344826), (72, 287355), (90, 229884), (108, 191570), (120, 172413), (135, 153256), (180, 114942), (216, 95785), (270, 76628), (360, 57471), (540, 38314), (1080, 19157)]