20182464580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{4691}}^1$

素因数の和:4969

約数の個数: 96

約数和(自身を含む): 45403545600

約数和(自身を除く): 25221081020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 199, 230, 235, 398, 460, 470, 796, 940, 995, 1081, 1990, 2162, 3980, 4324, 4577, 4691, 5405, 9154, 9353, 9382, 10810, 18308, 18706, 18764, 21620, 22885, 23455, 37412, 45770, 46765, 46910, 91540, 93530, 93820, 107893, 187060, 215119, 215786, 220477, 430238, 431572, 440954, 539465, 860476, 881908, 933509, 1075595, 1078930, 1102385, 1867018, 2151190, 2157860, 2204770, 3734036, 4302380, 4409540, 4667545, 5070971, 9335090, 10141942, 18670180, 20283884, 21470707, 25354855, 42941414, 43874923, 50709710, 85882828, 87749846, 101419420, 107353535, 175499692, 214707070, 219374615, 429414140, 438749230, 877498460, 1009123229, 2018246458, 4036492916, 5045616145, 10091232290, 20182464580]

約数ペア:

[(1, 20182464580), (2, 10091232290), (4, 5045616145), (5, 4036492916), (10, 2018246458), (20, 1009123229), (23, 877498460), (46, 438749230), (47, 429414140), (92, 219374615), (94, 214707070), (115, 175499692), (188, 107353535), (199, 101419420), (230, 87749846), (235, 85882828), (398, 50709710), (460, 43874923), (470, 42941414), (796, 25354855), (940, 21470707), (995, 20283884), (1081, 18670180), (1990, 10141942), (2162, 9335090), (3980, 5070971), (4324, 4667545), (4577, 4409540), (4691, 4302380), (5405, 3734036), (9154, 2204770), (9353, 2157860), (9382, 2151190), (10810, 1867018), (18308, 1102385), (18706, 1078930), (18764, 1075595), (21620, 933509), (22885, 881908), (23455, 860476), (37412, 539465), (45770, 440954), (46765, 431572), (46910, 430238), (91540, 220477), (93530, 215786), (93820, 215119), (107893, 187060)]