20195868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1987}}^1$

素因数の和:2023

約数の個数: 72

約数和(自身を含む): 59226496

約数和(自身を除く): 39030628

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 1987, 2541, 3388, 3974, 5082, 5961, 7948, 10164, 11922, 13909, 21857, 23844, 27818, 41727, 43714, 55636, 65571, 83454, 87428, 131142, 152999, 166908, 240427, 262284, 305998, 458997, 480854, 611996, 721281, 917994, 961708, 1442562, 1682989, 1835988, 2885124, 3365978, 5048967, 6731956, 10097934, 20195868]

約数ペア:

[(1, 20195868), (2, 10097934), (3, 6731956), (4, 5048967), (6, 3365978), (7, 2885124), (11, 1835988), (12, 1682989), (14, 1442562), (21, 961708), (22, 917994), (28, 721281), (33, 611996), (42, 480854), (44, 458997), (66, 305998), (77, 262284), (84, 240427), (121, 166908), (132, 152999), (154, 131142), (231, 87428), (242, 83454), (308, 65571), (363, 55636), (462, 43714), (484, 41727), (726, 27818), (847, 23844), (924, 21857), (1452, 13909), (1694, 11922), (1987, 10164), (2541, 7948), (3388, 5961), (3974, 5082)]