20118184065

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13679}}^1$

素因数の和:13756

約数の個数: 144

約数和(自身を含む): 43791321600

約数和(自身を除く): 23673137535

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 29, 35, 45, 49, 63, 69, 87, 105, 115, 145, 147, 161, 203, 207, 245, 261, 315, 345, 435, 441, 483, 609, 667, 735, 805, 1015, 1035, 1127, 1305, 1421, 1449, 1827, 2001, 2205, 2415, 3045, 3335, 3381, 4263, 4669, 5635, 6003, 7105, 7245, 9135, 10005, 10143, 12789, 13679, 14007, 16905, 21315, 23345, 30015, 32683, 41037, 42021, 50715, 63945, 68395, 70035, 95753, 98049, 123111, 163415, 205185, 210105, 287259, 294147, 314617, 396691, 478765, 490245, 615555, 670271, 861777, 943851, 1190073, 1436295, 1470735, 1573085, 1983455, 2010813, 2202319, 2776837, 2831553, 3351355, 3570219, 4308885, 4719255, 5950365, 6032439, 6606957, 8330511, 9123893, 10054065, 11011595, 13884185, 14157765, 15416233, 17851095, 19437859, 19820871, 24991533, 27371679, 30162195, 33034785, 41652555, 45619465, 46248699, 58313577, 63867251, 77081165, 82115037, 97189295, 99104355, 124957665, 136858395, 138746097, 174940731, 191601753, 231243495, 291567885, 319336255, 410575185, 447070757, 574805259, 693730485, 874703655, 958008765, 1341212271, 2235353785, 2874026295, 4023636813, 6706061355, 20118184065]

約数ペア:

[(1, 20118184065), (3, 6706061355), (5, 4023636813), (7, 2874026295), (9, 2235353785), (15, 1341212271), (21, 958008765), (23, 874703655), (29, 693730485), (35, 574805259), (45, 447070757), (49, 410575185), (63, 319336255), (69, 291567885), (87, 231243495), (105, 191601753), (115, 174940731), (145, 138746097), (147, 136858395), (161, 124957665), (203, 99104355), (207, 97189295), (245, 82115037), (261, 77081165), (315, 63867251), (345, 58313577), (435, 46248699), (441, 45619465), (483, 41652555), (609, 33034785), (667, 30162195), (735, 27371679), (805, 24991533), (1015, 19820871), (1035, 19437859), (1127, 17851095), (1305, 15416233), (1421, 14157765), (1449, 13884185), (1827, 11011595), (2001, 10054065), (2205, 9123893), (2415, 8330511), (3045, 6606957), (3335, 6032439), (3381, 5950365), (4263, 4719255), (4669, 4308885), (5635, 3570219), (6003, 3351355), (7105, 2831553), (7245, 2776837), (9135, 2202319), (10005, 2010813), (10143, 1983455), (12789, 1573085), (13679, 1470735), (14007, 1436295), (16905, 1190073), (21315, 943851), (23345, 861777), (30015, 670271), (32683, 615555), (41037, 490245), (42021, 478765), (50715, 396691), (63945, 314617), (68395, 294147), (70035, 287259), (95753, 210105), (98049, 205185), (123111, 163415)]