20450115340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{46919}}^1$

素因数の和:47015

約数の個数: 96

約数和(自身を含む): 47925964800

約数和(自身を除く): 27475849460

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 37, 38, 62, 74, 76, 95, 124, 148, 155, 185, 190, 310, 370, 380, 589, 620, 703, 740, 1147, 1178, 1406, 2294, 2356, 2812, 2945, 3515, 4588, 5735, 5890, 7030, 11470, 11780, 14060, 21793, 22940, 43586, 46919, 87172, 93838, 108965, 187676, 217930, 234595, 435860, 469190, 891461, 938380, 1454489, 1736003, 1782922, 2908978, 3472006, 3565844, 4457305, 5817956, 6944012, 7272445, 8680015, 8914610, 14544890, 17360030, 17829220, 27635291, 29089780, 32984057, 34720060, 53816093, 55270582, 65968114, 107632186, 110541164, 131936228, 138176455, 164920285, 215264372, 269080465, 276352910, 329840570, 538160930, 552705820, 659681140, 1022505767, 1076321860, 2045011534, 4090023068, 5112528835, 10225057670, 20450115340]

約数ペア:

[(1, 20450115340), (2, 10225057670), (4, 5112528835), (5, 4090023068), (10, 2045011534), (19, 1076321860), (20, 1022505767), (31, 659681140), (37, 552705820), (38, 538160930), (62, 329840570), (74, 276352910), (76, 269080465), (95, 215264372), (124, 164920285), (148, 138176455), (155, 131936228), (185, 110541164), (190, 107632186), (310, 65968114), (370, 55270582), (380, 53816093), (589, 34720060), (620, 32984057), (703, 29089780), (740, 27635291), (1147, 17829220), (1178, 17360030), (1406, 14544890), (2294, 8914610), (2356, 8680015), (2812, 7272445), (2945, 6944012), (3515, 5817956), (4588, 4457305), (5735, 3565844), (5890, 3472006), (7030, 2908978), (11470, 1782922), (11780, 1736003), (14060, 1454489), (21793, 938380), (22940, 891461), (43586, 469190), (46919, 435860), (87172, 234595), (93838, 217930), (108965, 187676)]