20120778621

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1481}}^1\times {\mathrm{29599}}^1$

素因数の和:31106

約数の個数: 32

約数和(自身を含む): 31584384000

約数和(自身を除く): 11463605379

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1481, 4443, 13329, 25177, 29599, 39987, 75531, 88797, 226593, 266391, 503183, 679779, 799173, 1509549, 4528647, 13585941, 43836119, 131508357, 394525071, 745214023, 1183575213, 2235642069, 6706926207, 20120778621]

約数ペア:

[(1, 20120778621), (3, 6706926207), (9, 2235642069), (17, 1183575213), (27, 745214023), (51, 394525071), (153, 131508357), (459, 43836119), (1481, 13585941), (4443, 4528647), (13329, 1509549), (25177, 799173), (29599, 679779), (39987, 503183), (75531, 266391), (88797, 226593)]