20177250520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{15277}}^1$

素因数の和:15437

約数の個数: 128

約数和(自身を含む): 53460777600

約数和(自身を除く): 33283527080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 89, 106, 140, 178, 212, 265, 280, 356, 371, 424, 445, 530, 623, 712, 742, 890, 1060, 1246, 1484, 1780, 1855, 2120, 2492, 2968, 3115, 3560, 3710, 4717, 4984, 6230, 7420, 9434, 12460, 14840, 15277, 18868, 23585, 24920, 30554, 33019, 37736, 47170, 61108, 66038, 76385, 94340, 106939, 122216, 132076, 152770, 165095, 188680, 213878, 264152, 305540, 330190, 427756, 534695, 611080, 660380, 809681, 855512, 1069390, 1320760, 1359653, 1619362, 2138780, 2719306, 3238724, 4048405, 4277560, 5438612, 5667767, 6477448, 6798265, 8096810, 9517571, 10877224, 11335534, 13596530, 16193620, 19035142, 22671068, 27193060, 28338835, 32387240, 38070284, 45342136, 47587855, 54386120, 56677670, 72061609, 76140568, 95175710, 113355340, 144123218, 190351420, 226710680, 288246436, 360308045, 380702840, 504431263, 576492872, 720616090, 1008862526, 1441232180, 2017725052, 2522156315, 2882464360, 4035450104, 5044312630, 10088625260, 20177250520]

約数ペア:

[(1, 20177250520), (2, 10088625260), (4, 5044312630), (5, 4035450104), (7, 2882464360), (8, 2522156315), (10, 2017725052), (14, 1441232180), (20, 1008862526), (28, 720616090), (35, 576492872), (40, 504431263), (53, 380702840), (56, 360308045), (70, 288246436), (89, 226710680), (106, 190351420), (140, 144123218), (178, 113355340), (212, 95175710), (265, 76140568), (280, 72061609), (356, 56677670), (371, 54386120), (424, 47587855), (445, 45342136), (530, 38070284), (623, 32387240), (712, 28338835), (742, 27193060), (890, 22671068), (1060, 19035142), (1246, 16193620), (1484, 13596530), (1780, 11335534), (1855, 10877224), (2120, 9517571), (2492, 8096810), (2968, 6798265), (3115, 6477448), (3560, 5667767), (3710, 5438612), (4717, 4277560), (4984, 4048405), (6230, 3238724), (7420, 2719306), (9434, 2138780), (12460, 1619362), (14840, 1359653), (15277, 1320760), (18868, 1069390), (23585, 855512), (24920, 809681), (30554, 660380), (33019, 611080), (37736, 534695), (47170, 427756), (61108, 330190), (66038, 305540), (76385, 264152), (94340, 213878), (106939, 188680), (122216, 165095), (132076, 152770)]