20984902203

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 31785348672

約数和(自身を除く): 10800446469

約数列:

[1, 3, 19, 37, 41, 53, 57, 111, 123, 159, 241, 361, 703, 723, 779, 1007, 1083, 1517, 1961, 2109, 2173, 2337, 3021, 4551, 4579, 5883, 6519, 8917, 9881, 12773, 13357, 13737, 14801, 19133, 26751, 28823, 29643, 37259, 38319, 40071, 41287, 44403, 57399, 80401, 86469, 87001, 111777, 123861, 169423, 187739, 241203, 242687, 261003, 365597, 472601, 508269, 523693, 547637, 563217, 707921, 728061, 784453, 1096791, 1417803, 1527619, 1571079, 1642911, 2123763, 2353359, 3219037, 3567041, 4582857, 4611053, 6946343, 8979419, 9657111, 9950167, 10701123, 13833159, 19376641, 20839029, 26938257, 29024761, 29850501, 58129923, 87074283, 131980517, 170608961, 189053173, 368156179, 395941551, 511826883, 567159519, 1104468537, 6994967401, 20984902203]

約数ペア:

[(1, 20984902203), (3, 6994967401), (19, 1104468537), (37, 567159519), (41, 511826883), (53, 395941551), (57, 368156179), (111, 189053173), (123, 170608961), (159, 131980517), (241, 87074283), (361, 58129923), (703, 29850501), (723, 29024761), (779, 26938257), (1007, 20839029), (1083, 19376641), (1517, 13833159), (1961, 10701123), (2109, 9950167), (2173, 9657111), (2337, 8979419), (3021, 6946343), (4551, 4611053), (4579, 4582857), (5883, 3567041), (6519, 3219037), (8917, 2353359), (9881, 2123763), (12773, 1642911), (13357, 1571079), (13737, 1527619), (14801, 1417803), (19133, 1096791), (26751, 784453), (28823, 728061), (29643, 707921), (37259, 563217), (38319, 547637), (40071, 523693), (41287, 508269), (44403, 472601), (57399, 365597), (80401, 261003), (86469, 242687), (87001, 241203), (111777, 187739), (123861, 169423)]