20411190

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 35206218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 113, 135, 162, 223, 226, 270, 339, 405, 446, 565, 669, 678, 810, 1017, 1115, 1130, 1338, 1695, 2007, 2034, 2230, 3051, 3345, 3390, 4014, 5085, 6021, 6102, 6690, 9153, 10035, 10170, 12042, 15255, 18063, 18306, 20070, 25199, 30105, 30510, 36126, 45765, 50398, 60210, 75597, 90315, 91530, 125995, 151194, 180630, 226791, 251990, 377985, 453582, 680373, 755970, 1133955, 1360746, 2041119, 2267910, 3401865, 4082238, 6803730, 10205595, 20411190]

約数ペア:

[(1, 20411190), (2, 10205595), (3, 6803730), (5, 4082238), (6, 3401865), (9, 2267910), (10, 2041119), (15, 1360746), (18, 1133955), (27, 755970), (30, 680373), (45, 453582), (54, 377985), (81, 251990), (90, 226791), (113, 180630), (135, 151194), (162, 125995), (223, 91530), (226, 90315), (270, 75597), (339, 60210), (405, 50398), (446, 45765), (565, 36126), (669, 30510), (678, 30105), (810, 25199), (1017, 20070), (1115, 18306), (1130, 18063), (1338, 15255), (1695, 12042), (2007, 10170), (2034, 10035), (2230, 9153), (3051, 6690), (3345, 6102), (3390, 6021), (4014, 5085)]