20164492880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2118119}}^1$

素因数の和:2118156

約数の個数: 80

約数和(自身を含む): 56731726080

約数和(自身を除く): 36567233200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 2118119, 4236238, 8472476, 10590595, 14826833, 16944952, 21181190, 29653666, 33889904, 36008023, 42362380, 59307332, 72016046, 74134165, 84724760, 118614664, 144032092, 148268330, 169449520, 180040115, 237229328, 252056161, 288064184, 296536660, 360080230, 504112322, 576128368, 593073320, 720160460, 1008224644, 1186146640, 1260280805, 1440320920, 2016449288, 2520561610, 2880641840, 4032898576, 5041123220, 10082246440, 20164492880]

約数ペア:

[(1, 20164492880), (2, 10082246440), (4, 5041123220), (5, 4032898576), (7, 2880641840), (8, 2520561610), (10, 2016449288), (14, 1440320920), (16, 1260280805), (17, 1186146640), (20, 1008224644), (28, 720160460), (34, 593073320), (35, 576128368), (40, 504112322), (56, 360080230), (68, 296536660), (70, 288064184), (80, 252056161), (85, 237229328), (112, 180040115), (119, 169449520), (136, 148268330), (140, 144032092), (170, 118614664), (238, 84724760), (272, 74134165), (280, 72016046), (340, 59307332), (476, 42362380), (560, 36008023), (595, 33889904), (680, 29653666), (952, 21181190), (1190, 16944952), (1360, 14826833), (1904, 10590595), (2380, 8472476), (4760, 4236238), (9520, 2118119)]