20771730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32971}}^1$

素因数の和:32991

約数の個数: 48

約数和(自身を含む): 61723584

約数和(自身を除く): 40951854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32971, 65942, 98913, 164855, 197826, 230797, 296739, 329710, 461594, 494565, 593478, 692391, 989130, 1153985, 1384782, 1483695, 2077173, 2307970, 2967390, 3461955, 4154346, 6923910, 10385865, 20771730]

約数ペア:

[(1, 20771730), (2, 10385865), (3, 6923910), (5, 4154346), (6, 3461955), (7, 2967390), (9, 2307970), (10, 2077173), (14, 1483695), (15, 1384782), (18, 1153985), (21, 989130), (30, 692391), (35, 593478), (42, 494565), (45, 461594), (63, 329710), (70, 296739), (90, 230797), (105, 197826), (126, 164855), (210, 98913), (315, 65942), (630, 32971)]