20873311210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{4243}}^1$

素因数の和:4639

約数の個数: 64

約数和(自身を含む): 39887624448

約数和(自身を除く): 19014313238

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 293, 365, 586, 730, 1465, 1679, 2930, 3358, 4243, 6739, 8395, 8486, 13478, 16790, 21215, 21389, 33695, 42430, 42778, 67390, 97589, 106945, 195178, 213890, 309739, 487945, 491947, 619478, 975890, 983894, 1243199, 1548695, 2459735, 2486398, 3097390, 4919470, 6215995, 7123997, 12431990, 14247994, 28593577, 35619985, 57187154, 71239970, 90753527, 142967885, 181507054, 285935770, 453767635, 907535270, 2087331121, 4174662242, 10436655605, 20873311210]

約数ペア:

[(1, 20873311210), (2, 10436655605), (5, 4174662242), (10, 2087331121), (23, 907535270), (46, 453767635), (73, 285935770), (115, 181507054), (146, 142967885), (230, 90753527), (293, 71239970), (365, 57187154), (586, 35619985), (730, 28593577), (1465, 14247994), (1679, 12431990), (2930, 7123997), (3358, 6215995), (4243, 4919470), (6739, 3097390), (8395, 2486398), (8486, 2459735), (13478, 1548695), (16790, 1243199), (21215, 983894), (21389, 975890), (33695, 619478), (42430, 491947), (42778, 487945), (67390, 309739), (97589, 213890), (106945, 195178)]