20597980648

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{17989}}^1$

素因数の和:18159

約数の個数: 96

約数和(自身を含む): 47251814400

約数和(自身を除く): 26653833752

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 127, 161, 184, 196, 254, 322, 392, 508, 644, 889, 1016, 1127, 1288, 1778, 2254, 2921, 3556, 4508, 5842, 6223, 7112, 9016, 11684, 12446, 17989, 20447, 23368, 24892, 35978, 40894, 49784, 71956, 81788, 125923, 143129, 143912, 163576, 251846, 286258, 413747, 503692, 572516, 827494, 881461, 1007384, 1145032, 1654988, 1762922, 2284603, 2896229, 3309976, 3525844, 4569206, 5792458, 7051688, 9138412, 11584916, 15992221, 18276824, 20273603, 23169832, 31984442, 40547206, 52545869, 63968884, 81094412, 105091738, 111945547, 127937768, 162188824, 210183476, 223891094, 367821083, 420366952, 447782188, 735642166, 895564376, 1471284332, 2574747581, 2942568664, 5149495162, 10298990324, 20597980648]

約数ペア:

[(1, 20597980648), (2, 10298990324), (4, 5149495162), (7, 2942568664), (8, 2574747581), (14, 1471284332), (23, 895564376), (28, 735642166), (46, 447782188), (49, 420366952), (56, 367821083), (92, 223891094), (98, 210183476), (127, 162188824), (161, 127937768), (184, 111945547), (196, 105091738), (254, 81094412), (322, 63968884), (392, 52545869), (508, 40547206), (644, 31984442), (889, 23169832), (1016, 20273603), (1127, 18276824), (1288, 15992221), (1778, 11584916), (2254, 9138412), (2921, 7051688), (3556, 5792458), (4508, 4569206), (5842, 3525844), (6223, 3309976), (7112, 2896229), (9016, 2284603), (11684, 1762922), (12446, 1654988), (17989, 1145032), (20447, 1007384), (23368, 881461), (24892, 827494), (35978, 572516), (40894, 503692), (49784, 413747), (71956, 286258), (81788, 251846), (125923, 163576), (143129, 143912)]