20197079460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12467333}}^1$

素因数の和:12467354

約数の個数: 60

約数和(自身を含む): 63358991388

約数和(自身を除く): 43161911928

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12467333, 24934666, 37401999, 49869332, 62336665, 74803998, 112205997, 124673330, 149607996, 187009995, 224411994, 249346660, 336617991, 374019990, 448823988, 561029985, 673235982, 748039980, 1009853973, 1122059970, 1346471964, 1683089955, 2019707946, 2244119940, 3366179910, 4039415892, 5049269865, 6732359820, 10098539730, 20197079460]

約数ペア:

[(1, 20197079460), (2, 10098539730), (3, 6732359820), (4, 5049269865), (5, 4039415892), (6, 3366179910), (9, 2244119940), (10, 2019707946), (12, 1683089955), (15, 1346471964), (18, 1122059970), (20, 1009853973), (27, 748039980), (30, 673235982), (36, 561029985), (45, 448823988), (54, 374019990), (60, 336617991), (81, 249346660), (90, 224411994), (108, 187009995), (135, 149607996), (162, 124673330), (180, 112205997), (270, 74803998), (324, 62336665), (405, 49869332), (540, 37401999), (810, 24934666), (1620, 12467333)]