20101876725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{648971}}^1$

素因数の和:649050

約数の個数: 48

約数和(自身を含む): 38626813440

約数和(自身を除く): 18524936715

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 59, 75, 105, 175, 177, 295, 413, 525, 885, 1239, 1475, 2065, 4425, 6195, 10325, 30975, 648971, 1946913, 3244855, 4542797, 9734565, 13628391, 16224275, 22713985, 38289289, 48672825, 68141955, 113569925, 114867867, 191446445, 268025023, 340709775, 574339335, 804075069, 957232225, 1340125115, 2871696675, 4020375345, 6700625575, 20101876725]

約数ペア:

[(1, 20101876725), (3, 6700625575), (5, 4020375345), (7, 2871696675), (15, 1340125115), (21, 957232225), (25, 804075069), (35, 574339335), (59, 340709775), (75, 268025023), (105, 191446445), (175, 114867867), (177, 113569925), (295, 68141955), (413, 48672825), (525, 38289289), (885, 22713985), (1239, 16224275), (1475, 13628391), (2065, 9734565), (4425, 4542797), (6195, 3244855), (10325, 1946913), (30975, 648971)]