20288519340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{646543}}^1$

素因数の和:647078

約数の個数: 48

約数和(自身を含む): 56916561408

約数和(自身を除く): 36628042068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 1046, 1569, 2092, 2615, 3138, 5230, 6276, 7845, 10460, 15690, 31380, 646543, 1293086, 1939629, 2586172, 3232715, 3879258, 6465430, 7758516, 9698145, 12930860, 19396290, 38792580, 338141989, 676283978, 1014425967, 1352567956, 1690709945, 2028851934, 3381419890, 4057703868, 5072129835, 6762839780, 10144259670, 20288519340]

約数ペア:

[(1, 20288519340), (2, 10144259670), (3, 6762839780), (4, 5072129835), (5, 4057703868), (6, 3381419890), (10, 2028851934), (12, 1690709945), (15, 1352567956), (20, 1014425967), (30, 676283978), (60, 338141989), (523, 38792580), (1046, 19396290), (1569, 12930860), (2092, 9698145), (2615, 7758516), (3138, 6465430), (5230, 3879258), (6276, 3232715), (7845, 2586172), (10460, 1939629), (15690, 1293086), (31380, 646543)]