20170579989

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1\times {\mathrm{12953}}^1$

素因数の和:15549

約数の個数: 32

約数和(自身を含む): 31810878720

約数和(自身を除く): 11640298731

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 2557, 7671, 12953, 17899, 38859, 53697, 74153, 90671, 222459, 272013, 375637, 519071, 1126911, 1557213, 2629459, 7888377, 33120821, 99362463, 231845747, 695537241, 960503809, 2881511427, 6723526663, 20170579989]

約数ペア:

[(1, 20170579989), (3, 6723526663), (7, 2881511427), (21, 960503809), (29, 695537241), (87, 231845747), (203, 99362463), (609, 33120821), (2557, 7888377), (7671, 2629459), (12953, 1557213), (17899, 1126911), (38859, 519071), (53697, 375637), (74153, 272013), (90671, 222459)]