20121076591

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1\times {\mathrm{4643}}^1$

素因数の和:7131

約数の個数: 32

約数和(自身を含む): 26193051648

約数和(自身を除く): 6071975057

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 2447, 4643, 17129, 26917, 32501, 51073, 56281, 106789, 188419, 357511, 393967, 619091, 747523, 1174679, 4333637, 8222753, 11361421, 79529947, 124975631, 261312683, 874829417, 1829188781, 2874439513, 20121076591]

約数ペア:

[(1, 20121076591), (7, 2874439513), (11, 1829188781), (23, 874829417), (77, 261312683), (161, 124975631), (253, 79529947), (1771, 11361421), (2447, 8222753), (4643, 4333637), (17129, 1174679), (26917, 747523), (32501, 619091), (51073, 393967), (56281, 357511), (106789, 188419)]