20986850136

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2549423}}^1$

素因数の和:2549453

約数の個数: 64

約数和(自身を含む): 61186176000

約数和(自身を除く): 40199325864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 2549423, 5098846, 7648269, 10197692, 15296538, 17845961, 20395384, 30593076, 35691922, 53537883, 61186152, 71383844, 107075766, 124921727, 142767688, 214151532, 249843454, 374765181, 428303064, 499686908, 749530362, 874452089, 999373816, 1499060724, 1748904178, 2623356267, 2998121448, 3497808356, 5246712534, 6995616712, 10493425068, 20986850136]

約数ペア:

[(1, 20986850136), (2, 10493425068), (3, 6995616712), (4, 5246712534), (6, 3497808356), (7, 2998121448), (8, 2623356267), (12, 1748904178), (14, 1499060724), (21, 999373816), (24, 874452089), (28, 749530362), (42, 499686908), (49, 428303064), (56, 374765181), (84, 249843454), (98, 214151532), (147, 142767688), (168, 124921727), (196, 107075766), (294, 71383844), (343, 61186152), (392, 53537883), (588, 35691922), (686, 30593076), (1029, 20395384), (1176, 17845961), (1372, 15296538), (2058, 10197692), (2744, 7648269), (4116, 5098846), (8232, 2549423)]