20130378681

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{19319}}^1$

素因数の和:19446

約数の個数: 48

約数和(自身を含む): 32309222400

約数和(自身を除く): 12178843719

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 609, 841, 1239, 1711, 2523, 5133, 5887, 11977, 17661, 19319, 35931, 49619, 57957, 135233, 148857, 347333, 405699, 560251, 1041999, 1139821, 1680753, 3419463, 3921757, 7978747, 11765271, 16247279, 23936241, 33054809, 48741837, 99164427, 113730953, 231383663, 341192859, 694150989, 958589461, 2875768383, 6710126227, 20130378681]

約数ペア:

[(1, 20130378681), (3, 6710126227), (7, 2875768383), (21, 958589461), (29, 694150989), (59, 341192859), (87, 231383663), (177, 113730953), (203, 99164427), (413, 48741837), (609, 33054809), (841, 23936241), (1239, 16247279), (1711, 11765271), (2523, 7978747), (5133, 3921757), (5887, 3419463), (11977, 1680753), (17661, 1139821), (19319, 1041999), (35931, 560251), (49619, 405699), (57957, 347333), (135233, 148857)]