20132999320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{36187}}^1$

素因数の和:38192

約数の個数: 64

約数和(自身を含む): 51798055680

約数和(自身を除く): 31665056360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1987, 3974, 7948, 9935, 13909, 15896, 19870, 27818, 36187, 39740, 55636, 69545, 72374, 79480, 111272, 139090, 144748, 180935, 253309, 278180, 289496, 361870, 506618, 556360, 723740, 1013236, 1266545, 1447480, 2026472, 2533090, 5066180, 10132360, 71903569, 143807138, 287614276, 359517845, 503324983, 575228552, 719035690, 1006649966, 1438071380, 2013299932, 2516624915, 2876142760, 4026599864, 5033249830, 10066499660, 20132999320]

約数ペア:

[(1, 20132999320), (2, 10066499660), (4, 5033249830), (5, 4026599864), (7, 2876142760), (8, 2516624915), (10, 2013299932), (14, 1438071380), (20, 1006649966), (28, 719035690), (35, 575228552), (40, 503324983), (56, 359517845), (70, 287614276), (140, 143807138), (280, 71903569), (1987, 10132360), (3974, 5066180), (7948, 2533090), (9935, 2026472), (13909, 1447480), (15896, 1266545), (19870, 1013236), (27818, 723740), (36187, 556360), (39740, 506618), (55636, 361870), (69545, 289496), (72374, 278180), (79480, 253309), (111272, 180935), (139090, 144748)]