20807521020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{808373}}^1$

素因数の和:808412

約数の個数: 144

約数和(自身を含む): 74150530272

約数和(自身を除く): 53343009252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 808373, 1616746, 2425119, 3233492, 4041865, 4850238, 7275357, 8083730, 8892103, 9700476, 10508849, 12125595, 14550714, 16167460, 17784206, 21017698, 24251190, 26676309, 29101428, 31526547, 35568412, 36376785, 42035396, 44460515, 48502380, 52544245, 53352618, 63053094, 72753570, 80028927, 88921030, 94579641, 105088490, 106705236, 115597339, 126106188, 133381545, 145507140, 157632735, 160057854, 177842060, 189159282, 210176980, 231194678, 266763090, 315265470, 320115708, 346792017, 378318564, 400144635, 462389356, 472898205, 533526180, 577986695, 630530940, 693584034, 800289270, 945796410, 1040376051, 1155973390, 1387168068, 1600578540, 1733960085, 1891592820, 2080752102, 2311946780, 3467920170, 4161504204, 5201880255, 6935840340, 10403760510, 20807521020]

約数ペア:

[(1, 20807521020), (2, 10403760510), (3, 6935840340), (4, 5201880255), (5, 4161504204), (6, 3467920170), (9, 2311946780), (10, 2080752102), (11, 1891592820), (12, 1733960085), (13, 1600578540), (15, 1387168068), (18, 1155973390), (20, 1040376051), (22, 945796410), (26, 800289270), (30, 693584034), (33, 630530940), (36, 577986695), (39, 533526180), (44, 472898205), (45, 462389356), (52, 400144635), (55, 378318564), (60, 346792017), (65, 320115708), (66, 315265470), (78, 266763090), (90, 231194678), (99, 210176980), (110, 189159282), (117, 177842060), (130, 160057854), (132, 157632735), (143, 145507140), (156, 133381545), (165, 126106188), (180, 115597339), (195, 106705236), (198, 105088490), (220, 94579641), (234, 88921030), (260, 80028927), (286, 72753570), (330, 63053094), (390, 53352618), (396, 52544245), (429, 48502380), (468, 44460515), (495, 42035396), (572, 36376785), (585, 35568412), (660, 31526547), (715, 29101428), (780, 26676309), (858, 24251190), (990, 21017698), (1170, 17784206), (1287, 16167460), (1430, 14550714), (1716, 12125595), (1980, 10508849), (2145, 9700476), (2340, 8892103), (2574, 8083730), (2860, 7275357), (4290, 4850238), (5148, 4041865), (6435, 3233492), (8580, 2425119), (12870, 1616746), (25740, 808373)]