20330595

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 37870560

約数和(自身を除く): 17539965

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 577, 783, 1215, 1305, 1731, 2349, 2885, 3915, 5193, 7047, 8655, 11745, 15579, 16733, 25965, 35235, 46737, 50199, 77895, 83665, 140211, 150597, 233685, 250995, 451791, 701055, 752985, 1355373, 2258955, 4066119, 6776865, 20330595]

約数ペア:

[(1, 20330595), (3, 6776865), (5, 4066119), (9, 2258955), (15, 1355373), (27, 752985), (29, 701055), (45, 451791), (81, 250995), (87, 233685), (135, 150597), (145, 140211), (243, 83665), (261, 77895), (405, 50199), (435, 46737), (577, 35235), (783, 25965), (1215, 16733), (1305, 15579), (1731, 11745), (2349, 8655), (2885, 7047), (3915, 5193)]