20105354925

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{3571}}^1$

素因数の和:4048

約数の個数: 96

約数和(自身を含む): 38977664000

約数和(自身を除く): 18872309075

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 439, 475, 513, 675, 855, 1317, 1425, 2195, 2565, 3571, 3951, 4275, 6585, 8341, 10713, 10975, 11853, 12825, 17855, 19755, 25023, 32139, 32925, 41705, 53565, 59265, 67849, 75069, 89275, 96417, 98775, 125115, 160695, 203547, 208525, 225207, 267825, 296325, 339245, 375345, 482085, 610641, 625575, 803475, 1017735, 1126035, 1567669, 1696225, 1831923, 1876725, 2410425, 3053205, 4703007, 5088675, 5630175, 7838345, 9159615, 14109021, 15266025, 23515035, 29785711, 39191725, 42327063, 45798075, 70545105, 89357133, 117575175, 148928555, 211635315, 268071399, 352725525, 446785665, 744642775, 804214197, 1058176575, 1340356995, 2233928325, 4021070985, 6701784975, 20105354925]

約数ペア:

[(1, 20105354925), (3, 6701784975), (5, 4021070985), (9, 2233928325), (15, 1340356995), (19, 1058176575), (25, 804214197), (27, 744642775), (45, 446785665), (57, 352725525), (75, 268071399), (95, 211635315), (135, 148928555), (171, 117575175), (225, 89357133), (285, 70545105), (439, 45798075), (475, 42327063), (513, 39191725), (675, 29785711), (855, 23515035), (1317, 15266025), (1425, 14109021), (2195, 9159615), (2565, 7838345), (3571, 5630175), (3951, 5088675), (4275, 4703007), (6585, 3053205), (8341, 2410425), (10713, 1876725), (10975, 1831923), (11853, 1696225), (12825, 1567669), (17855, 1126035), (19755, 1017735), (25023, 803475), (32139, 625575), (32925, 610641), (41705, 482085), (53565, 375345), (59265, 339245), (67849, 296325), (75069, 267825), (89275, 225207), (96417, 208525), (98775, 203547), (125115, 160695)]