13007820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30971}}^1$

素因数の和:30990

約数の個数: 48

約数和(自身を含む): 41626368

約数和(自身を除く): 28618548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30971, 61942, 92913, 123884, 154855, 185826, 216797, 309710, 371652, 433594, 464565, 619420, 650391, 867188, 929130, 1083985, 1300782, 1858260, 2167970, 2601564, 3251955, 4335940, 6503910, 13007820]

約数ペア:

[(1, 13007820), (2, 6503910), (3, 4335940), (4, 3251955), (5, 2601564), (6, 2167970), (7, 1858260), (10, 1300782), (12, 1083985), (14, 929130), (15, 867188), (20, 650391), (21, 619420), (28, 464565), (30, 433594), (35, 371652), (42, 309710), (60, 216797), (70, 185826), (84, 154855), (105, 123884), (140, 92913), (210, 61942), (420, 30971)]