20181238020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{86311}}^1$

素因数の和:86762

約数の個数: 96

約数和(自身を含む): 62931805440

約数和(自身を除く): 42750567420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 433, 540, 866, 1299, 1732, 2165, 2598, 3897, 4330, 5196, 6495, 7794, 8660, 11691, 12990, 15588, 19485, 23382, 25980, 38970, 46764, 58455, 77940, 86311, 116910, 172622, 233820, 258933, 345244, 431555, 517866, 776799, 863110, 1035732, 1294665, 1553598, 1726220, 2330397, 2589330, 3107196, 3883995, 4660794, 5178660, 7767990, 9321588, 11651985, 15535980, 23303970, 37372663, 46607940, 74745326, 112117989, 149490652, 186863315, 224235978, 336353967, 373726630, 448471956, 560589945, 672707934, 747453260, 1009061901, 1121179890, 1345415868, 1681769835, 2018123802, 2242359780, 3363539670, 4036247604, 5045309505, 6727079340, 10090619010, 20181238020]

約数ペア:

[(1, 20181238020), (2, 10090619010), (3, 6727079340), (4, 5045309505), (5, 4036247604), (6, 3363539670), (9, 2242359780), (10, 2018123802), (12, 1681769835), (15, 1345415868), (18, 1121179890), (20, 1009061901), (27, 747453260), (30, 672707934), (36, 560589945), (45, 448471956), (54, 373726630), (60, 336353967), (90, 224235978), (108, 186863315), (135, 149490652), (180, 112117989), (270, 74745326), (433, 46607940), (540, 37372663), (866, 23303970), (1299, 15535980), (1732, 11651985), (2165, 9321588), (2598, 7767990), (3897, 5178660), (4330, 4660794), (5196, 3883995), (6495, 3107196), (7794, 2589330), (8660, 2330397), (11691, 1726220), (12990, 1553598), (15588, 1294665), (19485, 1035732), (23382, 863110), (25980, 776799), (38970, 517866), (46764, 431555), (58455, 345244), (77940, 258933), (86311, 233820), (116910, 172622)]