20765536

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 46654272

約数和(自身を除く): 25888736

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 121, 124, 173, 176, 242, 248, 341, 346, 352, 484, 496, 682, 692, 968, 992, 1364, 1384, 1903, 1936, 2728, 2768, 3751, 3806, 3872, 5363, 5456, 5536, 7502, 7612, 10726, 10912, 15004, 15224, 20933, 21452, 30008, 30448, 41866, 42904, 58993, 60016, 60896, 83732, 85808, 117986, 120032, 167464, 171616, 235972, 334928, 471944, 648923, 669856, 943888, 1297846, 1887776, 2595692, 5191384, 10382768, 20765536]

約数ペア:

[(1, 20765536), (2, 10382768), (4, 5191384), (8, 2595692), (11, 1887776), (16, 1297846), (22, 943888), (31, 669856), (32, 648923), (44, 471944), (62, 334928), (88, 235972), (121, 171616), (124, 167464), (173, 120032), (176, 117986), (242, 85808), (248, 83732), (341, 60896), (346, 60016), (352, 58993), (484, 42904), (496, 41866), (682, 30448), (692, 30008), (968, 21452), (992, 20933), (1364, 15224), (1384, 15004), (1903, 10912), (1936, 10726), (2728, 7612), (2768, 7502), (3751, 5536), (3806, 5456), (3872, 5363)]