20697534

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 57513456

約数和(自身を除く): 36815922

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 33, 34, 39, 43, 51, 66, 78, 86, 99, 102, 117, 121, 129, 143, 153, 187, 198, 221, 234, 242, 258, 286, 306, 363, 374, 387, 429, 442, 473, 559, 561, 663, 726, 731, 774, 858, 946, 1089, 1118, 1122, 1287, 1326, 1419, 1462, 1573, 1677, 1683, 1989, 2057, 2178, 2193, 2431, 2574, 2838, 3146, 3354, 3366, 3978, 4114, 4257, 4386, 4719, 4862, 5031, 5203, 6149, 6171, 6579, 7293, 8041, 8514, 9438, 9503, 10062, 10406, 12298, 12342, 13158, 14157, 14586, 15609, 16082, 18447, 18513, 19006, 21879, 24123, 26741, 28314, 28509, 31218, 36894, 37026, 43758, 46827, 48246, 53482, 55341, 57018, 67639, 72369, 80223, 85527, 88451, 93654, 104533, 110682, 135278, 144738, 160446, 171054, 176902, 202917, 209066, 240669, 265353, 313599, 405834, 481338, 530706, 608751, 627198, 796059, 940797, 1149863, 1217502, 1592118, 1881594, 2299726, 3449589, 6899178, 10348767, 20697534]

約数ペア:

[(1, 20697534), (2, 10348767), (3, 6899178), (6, 3449589), (9, 2299726), (11, 1881594), (13, 1592118), (17, 1217502), (18, 1149863), (22, 940797), (26, 796059), (33, 627198), (34, 608751), (39, 530706), (43, 481338), (51, 405834), (66, 313599), (78, 265353), (86, 240669), (99, 209066), (102, 202917), (117, 176902), (121, 171054), (129, 160446), (143, 144738), (153, 135278), (187, 110682), (198, 104533), (221, 93654), (234, 88451), (242, 85527), (258, 80223), (286, 72369), (306, 67639), (363, 57018), (374, 55341), (387, 53482), (429, 48246), (442, 46827), (473, 43758), (559, 37026), (561, 36894), (663, 31218), (726, 28509), (731, 28314), (774, 26741), (858, 24123), (946, 21879), (1089, 19006), (1118, 18513), (1122, 18447), (1287, 16082), (1326, 15609), (1419, 14586), (1462, 14157), (1573, 13158), (1677, 12342), (1683, 12298), (1989, 10406), (2057, 10062), (2178, 9503), (2193, 9438), (2431, 8514), (2574, 8041), (2838, 7293), (3146, 6579), (3354, 6171), (3366, 6149), (3978, 5203), (4114, 5031), (4257, 4862), (4386, 4719)]