20207030960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{116993}}^1$

素因数の和:117150

約数の個数: 80

約数和(自身を含む): 50137076736

約数和(自身を除く): 29930045776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 508, 635, 680, 1016, 1270, 1360, 2032, 2159, 2540, 4318, 5080, 8636, 10160, 10795, 17272, 21590, 34544, 43180, 86360, 116993, 172720, 233986, 467972, 584965, 935944, 1169930, 1871888, 1988881, 2339860, 3977762, 4679720, 7955524, 9359440, 9944405, 14858111, 15911048, 19888810, 29716222, 31822096, 39777620, 59432444, 74290555, 79555240, 118864888, 148581110, 159110480, 237729776, 252587887, 297162220, 505175774, 594324440, 1010351548, 1188648880, 1262939435, 2020703096, 2525878870, 4041406192, 5051757740, 10103515480, 20207030960]

約数ペア:

[(1, 20207030960), (2, 10103515480), (4, 5051757740), (5, 4041406192), (8, 2525878870), (10, 2020703096), (16, 1262939435), (17, 1188648880), (20, 1010351548), (34, 594324440), (40, 505175774), (68, 297162220), (80, 252587887), (85, 237729776), (127, 159110480), (136, 148581110), (170, 118864888), (254, 79555240), (272, 74290555), (340, 59432444), (508, 39777620), (635, 31822096), (680, 29716222), (1016, 19888810), (1270, 15911048), (1360, 14858111), (2032, 9944405), (2159, 9359440), (2540, 7955524), (4318, 4679720), (5080, 3977762), (8636, 2339860), (10160, 1988881), (10795, 1871888), (17272, 1169930), (21590, 935944), (34544, 584965), (43180, 467972), (86360, 233986), (116993, 172720)]