20164022175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1286381}}^1$

素因数の和:1286424

約数の個数: 48

約数和(自身を含む): 38282728320

約数和(自身を除く): 18118706145

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 15675, 1286381, 3859143, 6431905, 14150191, 19295715, 24441239, 32159525, 42450573, 70750955, 73323717, 96478575, 122206195, 212252865, 268853629, 353754775, 366618585, 611030975, 806560887, 1061264325, 1344268145, 1833092925, 4032804435, 6721340725, 20164022175]

約数ペア:

[(1, 20164022175), (3, 6721340725), (5, 4032804435), (11, 1833092925), (15, 1344268145), (19, 1061264325), (25, 806560887), (33, 611030975), (55, 366618585), (57, 353754775), (75, 268853629), (95, 212252865), (165, 122206195), (209, 96478575), (275, 73323717), (285, 70750955), (475, 42450573), (627, 32159525), (825, 24441239), (1045, 19295715), (1425, 14150191), (3135, 6431905), (5225, 3859143), (15675, 1286381)]