20301456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 65138688

約数和(自身を除く): 44837232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 37, 42, 46, 48, 56, 69, 71, 74, 84, 92, 111, 112, 138, 142, 148, 161, 168, 184, 213, 222, 259, 276, 284, 296, 322, 336, 368, 426, 444, 483, 497, 518, 552, 568, 592, 644, 777, 851, 852, 888, 966, 994, 1036, 1104, 1136, 1288, 1491, 1554, 1633, 1702, 1704, 1776, 1932, 1988, 2072, 2553, 2576, 2627, 2982, 3108, 3266, 3404, 3408, 3864, 3976, 4144, 4899, 5106, 5254, 5957, 5964, 6216, 6532, 6808, 7728, 7881, 7952, 9798, 10212, 10508, 11431, 11914, 11928, 12432, 13064, 13616, 15762, 17871, 18389, 19596, 20424, 21016, 22862, 23828, 23856, 26128, 31524, 34293, 35742, 36778, 39192, 40848, 42032, 45724, 47656, 55167, 60421, 63048, 68586, 71484, 73556, 78384, 91448, 95312, 110334, 120842, 126096, 137172, 142968, 147112, 181263, 182896, 220668, 241684, 274344, 285936, 294224, 362526, 422947, 441336, 483368, 548688, 725052, 845894, 882672, 966736, 1268841, 1450104, 1691788, 2537682, 2900208, 3383576, 5075364, 6767152, 10150728, 20301456]

約数ペア:

[(1, 20301456), (2, 10150728), (3, 6767152), (4, 5075364), (6, 3383576), (7, 2900208), (8, 2537682), (12, 1691788), (14, 1450104), (16, 1268841), (21, 966736), (23, 882672), (24, 845894), (28, 725052), (37, 548688), (42, 483368), (46, 441336), (48, 422947), (56, 362526), (69, 294224), (71, 285936), (74, 274344), (84, 241684), (92, 220668), (111, 182896), (112, 181263), (138, 147112), (142, 142968), (148, 137172), (161, 126096), (168, 120842), (184, 110334), (213, 95312), (222, 91448), (259, 78384), (276, 73556), (284, 71484), (296, 68586), (322, 63048), (336, 60421), (368, 55167), (426, 47656), (444, 45724), (483, 42032), (497, 40848), (518, 39192), (552, 36778), (568, 35742), (592, 34293), (644, 31524), (777, 26128), (851, 23856), (852, 23828), (888, 22862), (966, 21016), (994, 20424), (1036, 19596), (1104, 18389), (1136, 17871), (1288, 15762), (1491, 13616), (1554, 13064), (1633, 12432), (1702, 11928), (1704, 11914), (1776, 11431), (1932, 10508), (1988, 10212), (2072, 9798), (2553, 7952), (2576, 7881), (2627, 7728), (2982, 6808), (3108, 6532), (3266, 6216), (3404, 5964), (3408, 5957), (3864, 5254), (3976, 5106), (4144, 4899)]