20121653890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1\times {\mathrm{175291}}^1$

素因数の和:176194

約数の個数: 32

約数和(自身を含む): 39049448256

約数和(自身を除く): 18927794366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 883, 1766, 4415, 8830, 11479, 22958, 57395, 114790, 175291, 350582, 876455, 1752910, 2278783, 4557566, 11393915, 22787830, 154781953, 309563906, 773909765, 1547819530, 2012165389, 4024330778, 10060826945, 20121653890]

約数ペア:

[(1, 20121653890), (2, 10060826945), (5, 4024330778), (10, 2012165389), (13, 1547819530), (26, 773909765), (65, 309563906), (130, 154781953), (883, 22787830), (1766, 11393915), (4415, 4557566), (8830, 2278783), (11479, 1752910), (22958, 876455), (57395, 350582), (114790, 175291)]