20198491781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{28429}}^1$

素因数の和:28557

約数の個数: 32

約数和(自身を含む): 23537310720

約数和(自身を除く): 3338818939

約数列:

[1, 13, 31, 41, 43, 403, 533, 559, 1271, 1333, 1763, 16523, 17329, 22919, 28429, 54653, 369577, 710489, 881299, 1165589, 1222447, 11456887, 15152657, 15891811, 36133259, 37895857, 50120327, 469732367, 492646141, 651564251, 1553730137, 20198491781]

約数ペア:

[(1, 20198491781), (13, 1553730137), (31, 651564251), (41, 492646141), (43, 469732367), (403, 50120327), (533, 37895857), (559, 36133259), (1271, 15891811), (1333, 15152657), (1763, 11456887), (16523, 1222447), (17329, 1165589), (22919, 881299), (28429, 710489), (54653, 369577)]