20512690695

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{8707}}^1$

素因数の和:9011

約数の個数: 96

約数和(自身を含む): 42296636928

約数和(自身を除く): 21783946233

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 277, 315, 405, 567, 831, 945, 1215, 1385, 1701, 1939, 2493, 2835, 4155, 5817, 7479, 8505, 8707, 9695, 12465, 17451, 22437, 26121, 29085, 37395, 43535, 52353, 60949, 67311, 78363, 87255, 112185, 130605, 157059, 182847, 235089, 261765, 304745, 336555, 391815, 471177, 548541, 705267, 785295, 914235, 1175445, 1645623, 2115801, 2355885, 2411839, 2742705, 3526335, 4936869, 7235517, 8228115, 10579005, 12059195, 14810607, 16882873, 21706551, 24684345, 36177585, 50648619, 65119653, 74053035, 84414365, 108532755, 151945857, 195358959, 253243095, 325598265, 455837571, 586076877, 759729285, 976794795, 1367512713, 2279187855, 2930384385, 4102538139, 6837563565, 20512690695]

約数ペア:

[(1, 20512690695), (3, 6837563565), (5, 4102538139), (7, 2930384385), (9, 2279187855), (15, 1367512713), (21, 976794795), (27, 759729285), (35, 586076877), (45, 455837571), (63, 325598265), (81, 253243095), (105, 195358959), (135, 151945857), (189, 108532755), (243, 84414365), (277, 74053035), (315, 65119653), (405, 50648619), (567, 36177585), (831, 24684345), (945, 21706551), (1215, 16882873), (1385, 14810607), (1701, 12059195), (1939, 10579005), (2493, 8228115), (2835, 7235517), (4155, 4936869), (5817, 3526335), (7479, 2742705), (8505, 2411839), (8707, 2355885), (9695, 2115801), (12465, 1645623), (17451, 1175445), (22437, 914235), (26121, 785295), (29085, 705267), (37395, 548541), (43535, 471177), (52353, 391815), (60949, 336555), (67311, 304745), (78363, 261765), (87255, 235089), (112185, 182847), (130605, 157059)]