20050940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 34139140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 479, 598, 644, 805, 910, 958, 1196, 1495, 1610, 1820, 1916, 2093, 2395, 2990, 3220, 3353, 4186, 4790, 5980, 6227, 6706, 8372, 9580, 10465, 11017, 12454, 13412, 16765, 20930, 22034, 24908, 31135, 33530, 41860, 43589, 44068, 55085, 62270, 67060, 77119, 87178, 110170, 124540, 143221, 154238, 174356, 217945, 220340, 286442, 308476, 385595, 435890, 572884, 716105, 771190, 871780, 1002547, 1432210, 1542380, 2005094, 2864420, 4010188, 5012735, 10025470, 20050940]

約数ペア:

[(1, 20050940), (2, 10025470), (4, 5012735), (5, 4010188), (7, 2864420), (10, 2005094), (13, 1542380), (14, 1432210), (20, 1002547), (23, 871780), (26, 771190), (28, 716105), (35, 572884), (46, 435890), (52, 385595), (65, 308476), (70, 286442), (91, 220340), (92, 217945), (115, 174356), (130, 154238), (140, 143221), (161, 124540), (182, 110170), (230, 87178), (260, 77119), (299, 67060), (322, 62270), (364, 55085), (455, 44068), (460, 43589), (479, 41860), (598, 33530), (644, 31135), (805, 24908), (910, 22034), (958, 20930), (1196, 16765), (1495, 13412), (1610, 12454), (1820, 11017), (1916, 10465), (2093, 9580), (2395, 8372), (2990, 6706), (3220, 6227), (3353, 5980), (4186, 4790)]