20321796720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{467813}}^1$

素因数の和:468010

約数の個数: 80

約数和(自身を含む): 63345758112

約数和(自身を除く): 43023961392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 2896, 3620, 4344, 5430, 7240, 8688, 10860, 14480, 21720, 43440, 467813, 935626, 1403439, 1871252, 2339065, 2806878, 3742504, 4678130, 5613756, 7017195, 7485008, 9356260, 11227512, 14034390, 18712520, 22455024, 28068780, 37425040, 56137560, 84674153, 112275120, 169348306, 254022459, 338696612, 423370765, 508044918, 677393224, 846741530, 1016089836, 1270112295, 1354786448, 1693483060, 2032179672, 2540224590, 3386966120, 4064359344, 5080449180, 6773932240, 10160898360, 20321796720]

約数ペア:

[(1, 20321796720), (2, 10160898360), (3, 6773932240), (4, 5080449180), (5, 4064359344), (6, 3386966120), (8, 2540224590), (10, 2032179672), (12, 1693483060), (15, 1354786448), (16, 1270112295), (20, 1016089836), (24, 846741530), (30, 677393224), (40, 508044918), (48, 423370765), (60, 338696612), (80, 254022459), (120, 169348306), (181, 112275120), (240, 84674153), (362, 56137560), (543, 37425040), (724, 28068780), (905, 22455024), (1086, 18712520), (1448, 14034390), (1810, 11227512), (2172, 9356260), (2715, 7485008), (2896, 7017195), (3620, 5613756), (4344, 4678130), (5430, 3742504), (7240, 2806878), (8688, 2339065), (10860, 1871252), (14480, 1403439), (21720, 935626), (43440, 467813)]