20105778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6217}}^1$

素因数の和:6247

約数の個数: 48

約数和(自身を含む): 51037344

約数和(自身を除く): 30931566

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6217, 12434, 18651, 37302, 43519, 68387, 87038, 130557, 136774, 205161, 261114, 304633, 410322, 478709, 609266, 913899, 957418, 1436127, 1827798, 2872254, 3350963, 6701926, 10052889, 20105778]

約数ペア:

[(1, 20105778), (2, 10052889), (3, 6701926), (6, 3350963), (7, 2872254), (11, 1827798), (14, 1436127), (21, 957418), (22, 913899), (33, 609266), (42, 478709), (49, 410322), (66, 304633), (77, 261114), (98, 205161), (147, 136774), (154, 130557), (231, 87038), (294, 68387), (462, 43519), (539, 37302), (1078, 18651), (1617, 12434), (3234, 6217)]