20009523780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{49253}}^1$

素因数の和:49366

約数の個数: 144

約数和(自身を含む): 63359163504

約数和(自身を除く): 43349639724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 61, 74, 90, 111, 122, 148, 180, 183, 185, 222, 244, 305, 333, 366, 370, 444, 549, 555, 610, 666, 732, 740, 915, 1098, 1110, 1220, 1332, 1665, 1830, 2196, 2220, 2257, 2745, 3330, 3660, 4514, 5490, 6660, 6771, 9028, 10980, 11285, 13542, 20313, 22570, 27084, 33855, 40626, 45140, 49253, 67710, 81252, 98506, 101565, 135420, 147759, 197012, 203130, 246265, 295518, 406260, 443277, 492530, 591036, 738795, 886554, 985060, 1477590, 1773108, 1822361, 2216385, 2955180, 3004433, 3644722, 4432770, 5467083, 6008866, 7289444, 8865540, 9013299, 9111805, 10934166, 12017732, 15022165, 16401249, 18026598, 18223610, 21868332, 27039897, 27335415, 30044330, 32802498, 36053196, 36447220, 45066495, 54079794, 54670830, 60088660, 65604996, 82006245, 90132990, 108159588, 109341660, 111164021, 135199485, 164012490, 180265980, 222328042, 270398970, 328024980, 333492063, 444656084, 540797940, 555820105, 666984126, 1000476189, 1111640210, 1333968252, 1667460315, 2000952378, 2223280420, 3334920630, 4001904756, 5002380945, 6669841260, 10004761890, 20009523780]

約数ペア:

[(1, 20009523780), (2, 10004761890), (3, 6669841260), (4, 5002380945), (5, 4001904756), (6, 3334920630), (9, 2223280420), (10, 2000952378), (12, 1667460315), (15, 1333968252), (18, 1111640210), (20, 1000476189), (30, 666984126), (36, 555820105), (37, 540797940), (45, 444656084), (60, 333492063), (61, 328024980), (74, 270398970), (90, 222328042), (111, 180265980), (122, 164012490), (148, 135199485), (180, 111164021), (183, 109341660), (185, 108159588), (222, 90132990), (244, 82006245), (305, 65604996), (333, 60088660), (366, 54670830), (370, 54079794), (444, 45066495), (549, 36447220), (555, 36053196), (610, 32802498), (666, 30044330), (732, 27335415), (740, 27039897), (915, 21868332), (1098, 18223610), (1110, 18026598), (1220, 16401249), (1332, 15022165), (1665, 12017732), (1830, 10934166), (2196, 9111805), (2220, 9013299), (2257, 8865540), (2745, 7289444), (3330, 6008866), (3660, 5467083), (4514, 4432770), (5490, 3644722), (6660, 3004433), (6771, 2955180), (9028, 2216385), (10980, 1822361), (11285, 1773108), (13542, 1477590), (20313, 985060), (22570, 886554), (27084, 738795), (33855, 591036), (40626, 492530), (45140, 443277), (49253, 406260), (67710, 295518), (81252, 246265), (98506, 203130), (101565, 197012), (135420, 147759)]