20655264

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4418

約数の個数: 72

約数和(自身を含む): 63086688

約数和(自身を除く): 42431424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4391, 4704, 8782, 13173, 17564, 26346, 30737, 35128, 52692, 61474, 70256, 92211, 105384, 122948, 140512, 184422, 210768, 215159, 245896, 368844, 421536, 430318, 491792, 645477, 737688, 860636, 983584, 1290954, 1475376, 1721272, 2581908, 2950752, 3442544, 5163816, 6885088, 10327632, 20655264]

約数ペア:

[(1, 20655264), (2, 10327632), (3, 6885088), (4, 5163816), (6, 3442544), (7, 2950752), (8, 2581908), (12, 1721272), (14, 1475376), (16, 1290954), (21, 983584), (24, 860636), (28, 737688), (32, 645477), (42, 491792), (48, 430318), (49, 421536), (56, 368844), (84, 245896), (96, 215159), (98, 210768), (112, 184422), (147, 140512), (168, 122948), (196, 105384), (224, 92211), (294, 70256), (336, 61474), (392, 52692), (588, 35128), (672, 30737), (784, 26346), (1176, 17564), (1568, 13173), (2352, 8782), (4391, 4704)]