20121695990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29633}}^1\times {\mathrm{6173}}^1$

素因数の和:35824

約数の個数: 32

約数和(自身を含む): 39519428256

約数和(自身を除く): 19397732266

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 6173, 12346, 29633, 30865, 59266, 61730, 67903, 135806, 148165, 296330, 325963, 339515, 651926, 679030, 1629815, 3259630, 182924509, 365849018, 914622545, 1829245090, 2012169599, 4024339198, 10060847995, 20121695990]

約数ペア:

[(1, 20121695990), (2, 10060847995), (5, 4024339198), (10, 2012169599), (11, 1829245090), (22, 914622545), (55, 365849018), (110, 182924509), (6173, 3259630), (12346, 1629815), (29633, 679030), (30865, 651926), (59266, 339515), (61730, 325963), (67903, 296330), (135806, 148165)]