20541912

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 53136000

約数和(自身を除く): 32594088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 89, 118, 163, 177, 178, 236, 267, 326, 354, 356, 472, 489, 534, 652, 708, 712, 978, 1068, 1304, 1416, 1956, 2136, 3912, 5251, 9617, 10502, 14507, 15753, 19234, 21004, 28851, 29014, 31506, 38468, 42008, 43521, 57702, 58028, 63012, 76936, 87042, 115404, 116056, 126024, 174084, 230808, 348168, 855913, 1711826, 2567739, 3423652, 5135478, 6847304, 10270956, 20541912]

約数ペア:

[(1, 20541912), (2, 10270956), (3, 6847304), (4, 5135478), (6, 3423652), (8, 2567739), (12, 1711826), (24, 855913), (59, 348168), (89, 230808), (118, 174084), (163, 126024), (177, 116056), (178, 115404), (236, 87042), (267, 76936), (326, 63012), (354, 58028), (356, 57702), (472, 43521), (489, 42008), (534, 38468), (652, 31506), (708, 29014), (712, 28851), (978, 21004), (1068, 19234), (1304, 15753), (1416, 14507), (1956, 10502), (2136, 9617), (3912, 5251)]