20178302589

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1\times {\mathrm{1493}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 30205094400

約数和(自身を除く): 10026791811

約数列:

[1, 3, 9, 47, 89, 141, 267, 359, 423, 801, 1077, 1493, 3231, 4183, 4479, 12549, 13437, 16873, 31951, 37647, 50619, 70171, 95853, 132877, 151857, 210513, 287559, 398631, 535987, 631539, 1195893, 1501697, 1607961, 4505091, 4823883, 6245219, 13515273, 18735657, 25191389, 47702843, 56206971, 75574167, 143108529, 226722501, 429325587, 2242033621, 6726100863, 20178302589]

約数ペア:

[(1, 20178302589), (3, 6726100863), (9, 2242033621), (47, 429325587), (89, 226722501), (141, 143108529), (267, 75574167), (359, 56206971), (423, 47702843), (801, 25191389), (1077, 18735657), (1493, 13515273), (3231, 6245219), (4183, 4823883), (4479, 4505091), (12549, 1607961), (13437, 1501697), (16873, 1195893), (31951, 631539), (37647, 535987), (50619, 398631), (70171, 287559), (95853, 210513), (132877, 151857)]