20349717290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{13411}}^1$

素因数の和:13887

約数の個数: 64

約数和(自身を含む): 42759601920

約数和(自身を除く): 22409884630

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 409, 530, 742, 818, 1855, 2045, 2863, 3710, 4090, 5726, 13411, 14315, 21677, 26822, 28630, 43354, 67055, 93877, 108385, 134110, 151739, 187754, 216770, 303478, 469385, 710783, 758695, 938770, 1421566, 1517390, 3553915, 4975481, 5485099, 7107830, 9950962, 10970198, 24877405, 27425495, 38395693, 49754810, 54850990, 76791386, 191978465, 290710247, 383956930, 581420494, 1453551235, 2034971729, 2907102470, 4069943458, 10174858645, 20349717290]

約数ペア:

[(1, 20349717290), (2, 10174858645), (5, 4069943458), (7, 2907102470), (10, 2034971729), (14, 1453551235), (35, 581420494), (53, 383956930), (70, 290710247), (106, 191978465), (265, 76791386), (371, 54850990), (409, 49754810), (530, 38395693), (742, 27425495), (818, 24877405), (1855, 10970198), (2045, 9950962), (2863, 7107830), (3710, 5485099), (4090, 4975481), (5726, 3553915), (13411, 1517390), (14315, 1421566), (21677, 938770), (26822, 758695), (28630, 710783), (43354, 469385), (67055, 303478), (93877, 216770), (108385, 187754), (134110, 151739)]