20456436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 64931328

約数和(自身を除く): 44474892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 131, 132, 143, 154, 156, 169, 182, 231, 262, 273, 286, 308, 338, 364, 393, 429, 462, 507, 524, 546, 572, 676, 786, 858, 917, 924, 1001, 1014, 1092, 1183, 1441, 1572, 1703, 1716, 1834, 1859, 2002, 2028, 2366, 2751, 2882, 3003, 3406, 3549, 3668, 3718, 4004, 4323, 4732, 5109, 5502, 5577, 5764, 6006, 6812, 7098, 7436, 8646, 10087, 10218, 11004, 11154, 11921, 12012, 13013, 14196, 17292, 18733, 20174, 20436, 22139, 22308, 23842, 26026, 30261, 35763, 37466, 39039, 40348, 44278, 47684, 52052, 56199, 60522, 66417, 71526, 74932, 78078, 88556, 112398, 121044, 131131, 132834, 143052, 154973, 156156, 224796, 243529, 262262, 265668, 309946, 393393, 464919, 487058, 524524, 619892, 730587, 786786, 929838, 974116, 1461174, 1573572, 1704703, 1859676, 2922348, 3409406, 5114109, 6818812, 10228218, 20456436]

約数ペア:

[(1, 20456436), (2, 10228218), (3, 6818812), (4, 5114109), (6, 3409406), (7, 2922348), (11, 1859676), (12, 1704703), (13, 1573572), (14, 1461174), (21, 974116), (22, 929838), (26, 786786), (28, 730587), (33, 619892), (39, 524524), (42, 487058), (44, 464919), (52, 393393), (66, 309946), (77, 265668), (78, 262262), (84, 243529), (91, 224796), (131, 156156), (132, 154973), (143, 143052), (154, 132834), (156, 131131), (169, 121044), (182, 112398), (231, 88556), (262, 78078), (273, 74932), (286, 71526), (308, 66417), (338, 60522), (364, 56199), (393, 52052), (429, 47684), (462, 44278), (507, 40348), (524, 39039), (546, 37466), (572, 35763), (676, 30261), (786, 26026), (858, 23842), (917, 22308), (924, 22139), (1001, 20436), (1014, 20174), (1092, 18733), (1183, 17292), (1441, 14196), (1572, 13013), (1703, 12012), (1716, 11921), (1834, 11154), (1859, 11004), (2002, 10218), (2028, 10087), (2366, 8646), (2751, 7436), (2882, 7098), (3003, 6812), (3406, 6006), (3549, 5764), (3668, 5577), (3718, 5502), (4004, 5109), (4323, 4732)]