20583576

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21991}}^1$

素因数の和:22016

約数の個数: 48

約数和(自身を含む): 60038160

約数和(自身を除く): 39454584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21991, 43982, 65973, 87964, 131946, 175928, 197919, 263892, 285883, 395838, 527784, 571766, 791676, 857649, 1143532, 1583352, 1715298, 2287064, 2572947, 3430596, 5145894, 6861192, 10291788, 20583576]

約数ペア:

[(1, 20583576), (2, 10291788), (3, 6861192), (4, 5145894), (6, 3430596), (8, 2572947), (9, 2287064), (12, 1715298), (13, 1583352), (18, 1143532), (24, 857649), (26, 791676), (36, 571766), (39, 527784), (52, 395838), (72, 285883), (78, 263892), (104, 197919), (117, 175928), (156, 131946), (234, 87964), (312, 65973), (468, 43982), (936, 21991)]