20111810859

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{38273}}^1$

素因数の和:38744

約数の個数: 48

約数和(自身を含む): 35028364800

約数和(自身を除く): 14916553941

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 439, 1197, 1317, 3073, 3951, 8341, 9219, 25023, 27657, 38273, 58387, 75069, 114819, 175161, 267911, 344457, 525483, 727187, 803733, 2181561, 2411199, 5090309, 6544683, 15270927, 16801847, 45812781, 50405541, 117612929, 151216623, 319235093, 352838787, 957705279, 1058516361, 2234645651, 2873115837, 6703936953, 20111810859]

約数ペア:

[(1, 20111810859), (3, 6703936953), (7, 2873115837), (9, 2234645651), (19, 1058516361), (21, 957705279), (57, 352838787), (63, 319235093), (133, 151216623), (171, 117612929), (399, 50405541), (439, 45812781), (1197, 16801847), (1317, 15270927), (3073, 6544683), (3951, 5090309), (8341, 2411199), (9219, 2181561), (25023, 803733), (27657, 727187), (38273, 525483), (58387, 344457), (75069, 267911), (114819, 175161)]