20120457960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2430007}}^1$

素因数の和:2430047

約数の個数: 96

約数和(自身を含む): 68234624640

約数和(自身を除く): 48114166680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 2430007, 4860014, 7290021, 9720028, 12150035, 14580042, 19440056, 21870063, 24300070, 29160084, 36450105, 43740126, 48600140, 55890161, 58320168, 72900210, 87480252, 97200280, 109350315, 111780322, 145800420, 167670483, 174960504, 218700630, 223560644, 279450805, 291600840, 335340966, 437401260, 447121288, 503011449, 558901610, 670681932, 838352415, 874802520, 1006022898, 1117803220, 1341363864, 1676704830, 2012045796, 2235606440, 2515057245, 3353409660, 4024091592, 5030114490, 6706819320, 10060228980, 20120457960]

約数ペア:

[(1, 20120457960), (2, 10060228980), (3, 6706819320), (4, 5030114490), (5, 4024091592), (6, 3353409660), (8, 2515057245), (9, 2235606440), (10, 2012045796), (12, 1676704830), (15, 1341363864), (18, 1117803220), (20, 1006022898), (23, 874802520), (24, 838352415), (30, 670681932), (36, 558901610), (40, 503011449), (45, 447121288), (46, 437401260), (60, 335340966), (69, 291600840), (72, 279450805), (90, 223560644), (92, 218700630), (115, 174960504), (120, 167670483), (138, 145800420), (180, 111780322), (184, 109350315), (207, 97200280), (230, 87480252), (276, 72900210), (345, 58320168), (360, 55890161), (414, 48600140), (460, 43740126), (552, 36450105), (690, 29160084), (828, 24300070), (920, 21870063), (1035, 19440056), (1380, 14580042), (1656, 12150035), (2070, 9720028), (2760, 7290021), (4140, 4860014), (8280, 2430007)]