20484156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3167}}^1$

素因数の和:3199

約数の個数: 72

約数和(自身を含む): 60673536

約数和(自身を除く): 40189380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3167, 3234, 6334, 6468, 9501, 12668, 19002, 22169, 34837, 38004, 44338, 66507, 69674, 88676, 104511, 133014, 139348, 155183, 209022, 243859, 266028, 310366, 418044, 465549, 487718, 620732, 731577, 931098, 975436, 1463154, 1707013, 1862196, 2926308, 3414026, 5121039, 6828052, 10242078, 20484156]

約数ペア:

[(1, 20484156), (2, 10242078), (3, 6828052), (4, 5121039), (6, 3414026), (7, 2926308), (11, 1862196), (12, 1707013), (14, 1463154), (21, 975436), (22, 931098), (28, 731577), (33, 620732), (42, 487718), (44, 465549), (49, 418044), (66, 310366), (77, 266028), (84, 243859), (98, 209022), (132, 155183), (147, 139348), (154, 133014), (196, 104511), (231, 88676), (294, 69674), (308, 66507), (462, 44338), (539, 38004), (588, 34837), (924, 22169), (1078, 19002), (1617, 12668), (2156, 9501), (3167, 6468), (3234, 6334)]