20319246

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 48143160

約数和(自身を除く): 27823914

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 59, 106, 114, 118, 159, 171, 177, 318, 342, 354, 361, 477, 531, 722, 954, 1007, 1062, 1083, 1121, 2014, 2166, 2242, 3021, 3127, 3249, 3363, 6042, 6254, 6498, 6726, 9063, 9381, 10089, 18126, 18762, 19133, 20178, 21299, 28143, 38266, 42598, 56286, 57399, 59413, 63897, 114798, 118826, 127794, 172197, 178239, 191691, 344394, 356478, 383382, 534717, 1069434, 1128847, 2257694, 3386541, 6773082, 10159623, 20319246]

約数ペア:

[(1, 20319246), (2, 10159623), (3, 6773082), (6, 3386541), (9, 2257694), (18, 1128847), (19, 1069434), (38, 534717), (53, 383382), (57, 356478), (59, 344394), (106, 191691), (114, 178239), (118, 172197), (159, 127794), (171, 118826), (177, 114798), (318, 63897), (342, 59413), (354, 57399), (361, 56286), (477, 42598), (531, 38266), (722, 28143), (954, 21299), (1007, 20178), (1062, 19133), (1083, 18762), (1121, 18126), (2014, 10089), (2166, 9381), (2242, 9063), (3021, 6726), (3127, 6498), (3249, 6254), (3363, 6042)]