20348524

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 45505152

約数和(自身を除く): 25156628

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 49, 62, 68, 98, 119, 124, 196, 197, 217, 238, 394, 434, 476, 527, 788, 833, 868, 1054, 1379, 1519, 1666, 2108, 2758, 3038, 3332, 3349, 3689, 5516, 6076, 6107, 6698, 7378, 9653, 12214, 13396, 14756, 19306, 23443, 24428, 25823, 38612, 42749, 46886, 51646, 85498, 93772, 103292, 103819, 164101, 170996, 207638, 299243, 328202, 415276, 598486, 656404, 726733, 1196972, 1453466, 2906932, 5087131, 10174262, 20348524]

約数ペア:

[(1, 20348524), (2, 10174262), (4, 5087131), (7, 2906932), (14, 1453466), (17, 1196972), (28, 726733), (31, 656404), (34, 598486), (49, 415276), (62, 328202), (68, 299243), (98, 207638), (119, 170996), (124, 164101), (196, 103819), (197, 103292), (217, 93772), (238, 85498), (394, 51646), (434, 46886), (476, 42749), (527, 38612), (788, 25823), (833, 24428), (868, 23443), (1054, 19306), (1379, 14756), (1519, 13396), (1666, 12214), (2108, 9653), (2758, 7378), (3038, 6698), (3332, 6107), (3349, 6076), (3689, 5516)]