20280856770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1\times {\mathrm{1823}}^1$

素因数の和:3648

約数の個数: 96

約数和(自身を含む): 53532969984

約数和(自身を除く): 33252113214

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 1741, 1823, 2130, 3195, 3482, 3646, 5223, 5469, 6390, 8705, 9115, 10446, 10938, 15669, 16407, 17410, 18230, 26115, 27345, 31338, 32814, 52230, 54690, 78345, 82035, 123611, 129433, 156690, 164070, 247222, 258866, 370833, 388299, 618055, 647165, 741666, 776598, 1112499, 1164897, 1236110, 1294330, 1854165, 1941495, 2224998, 2329794, 3173843, 3708330, 3882990, 5562495, 5824485, 6347686, 9521529, 11124990, 11648970, 15869215, 19043058, 28564587, 31738430, 47607645, 57129174, 95215290, 142822935, 225342853, 285645870, 450685706, 676028559, 1126714265, 1352057118, 2028085677, 2253428530, 3380142795, 4056171354, 6760285590, 10140428385, 20280856770]

約数ペア:

[(1, 20280856770), (2, 10140428385), (3, 6760285590), (5, 4056171354), (6, 3380142795), (9, 2253428530), (10, 2028085677), (15, 1352057118), (18, 1126714265), (30, 676028559), (45, 450685706), (71, 285645870), (90, 225342853), (142, 142822935), (213, 95215290), (355, 57129174), (426, 47607645), (639, 31738430), (710, 28564587), (1065, 19043058), (1278, 15869215), (1741, 11648970), (1823, 11124990), (2130, 9521529), (3195, 6347686), (3482, 5824485), (3646, 5562495), (5223, 3882990), (5469, 3708330), (6390, 3173843), (8705, 2329794), (9115, 2224998), (10446, 1941495), (10938, 1854165), (15669, 1294330), (16407, 1236110), (17410, 1164897), (18230, 1112499), (26115, 776598), (27345, 741666), (31338, 647165), (32814, 618055), (52230, 388299), (54690, 370833), (78345, 258866), (82035, 247222), (123611, 164070), (129433, 156690)]