20737884

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 29775012

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 107, 124, 186, 214, 321, 372, 428, 521, 642, 1042, 1284, 1563, 2084, 3126, 3317, 6252, 6634, 9951, 13268, 16151, 19902, 32302, 39804, 48453, 55747, 64604, 96906, 111494, 167241, 193812, 222988, 334482, 668964, 1728157, 3456314, 5184471, 6912628, 10368942, 20737884]

約数ペア:

[(1, 20737884), (2, 10368942), (3, 6912628), (4, 5184471), (6, 3456314), (12, 1728157), (31, 668964), (62, 334482), (93, 222988), (107, 193812), (124, 167241), (186, 111494), (214, 96906), (321, 64604), (372, 55747), (428, 48453), (521, 39804), (642, 32302), (1042, 19902), (1284, 16151), (1563, 13268), (2084, 9951), (3126, 6634), (3317, 6252)]