20154786890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1\times {\mathrm{9619}}^1$

素因数の和:10479

約数の個数: 64

約数和(自身を含む): 42638918400

約数和(自身を除く): 22484131510

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 809, 1295, 1618, 2590, 4045, 5663, 8090, 9619, 11326, 19238, 28315, 29933, 48095, 56630, 59866, 67333, 96190, 134666, 149665, 209531, 299330, 336665, 355903, 419062, 673330, 711806, 1047655, 1779515, 2095310, 2491321, 3559030, 4982642, 7781771, 12456605, 15563542, 24913210, 38908855, 54472397, 77817710, 108944794, 272361985, 287925527, 544723970, 575851054, 1439627635, 2015478689, 2879255270, 4030957378, 10077393445, 20154786890]

約数ペア:

[(1, 20154786890), (2, 10077393445), (5, 4030957378), (7, 2879255270), (10, 2015478689), (14, 1439627635), (35, 575851054), (37, 544723970), (70, 287925527), (74, 272361985), (185, 108944794), (259, 77817710), (370, 54472397), (518, 38908855), (809, 24913210), (1295, 15563542), (1618, 12456605), (2590, 7781771), (4045, 4982642), (5663, 3559030), (8090, 2491321), (9619, 2095310), (11326, 1779515), (19238, 1047655), (28315, 711806), (29933, 673330), (48095, 419062), (56630, 355903), (59866, 336665), (67333, 299330), (96190, 209531), (134666, 149665)]