20745355890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{344207}}^1$

素因数の和:344272

約数の個数: 96

約数和(自身を含む): 59330444544

約数和(自身を除く): 38585088654

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 49, 70, 82, 98, 105, 123, 147, 205, 210, 245, 246, 287, 294, 410, 490, 574, 615, 735, 861, 1230, 1435, 1470, 1722, 2009, 2870, 4018, 4305, 6027, 8610, 10045, 12054, 20090, 30135, 60270, 344207, 688414, 1032621, 1721035, 2065242, 2409449, 3442070, 4818898, 5163105, 7228347, 10326210, 12047245, 14112487, 14456694, 16866143, 24094490, 28224974, 33732286, 36141735, 42337461, 50598429, 70562435, 72283470, 84330715, 84674922, 98787409, 101196858, 141124870, 168661430, 197574818, 211687305, 252992145, 296362227, 423374610, 493937045, 505984290, 592724454, 691511863, 987874090, 1383023726, 1481811135, 2074535589, 2963622270, 3457559315, 4149071178, 6915118630, 10372677945, 20745355890]

約数ペア:

[(1, 20745355890), (2, 10372677945), (3, 6915118630), (5, 4149071178), (6, 3457559315), (7, 2963622270), (10, 2074535589), (14, 1481811135), (15, 1383023726), (21, 987874090), (30, 691511863), (35, 592724454), (41, 505984290), (42, 493937045), (49, 423374610), (70, 296362227), (82, 252992145), (98, 211687305), (105, 197574818), (123, 168661430), (147, 141124870), (205, 101196858), (210, 98787409), (245, 84674922), (246, 84330715), (287, 72283470), (294, 70562435), (410, 50598429), (490, 42337461), (574, 36141735), (615, 33732286), (735, 28224974), (861, 24094490), (1230, 16866143), (1435, 14456694), (1470, 14112487), (1722, 12047245), (2009, 10326210), (2870, 7228347), (4018, 5163105), (4305, 4818898), (6027, 3442070), (8610, 2409449), (10045, 2065242), (12054, 1721035), (20090, 1032621), (30135, 688414), (60270, 344207)]